Yung-Kang Shen

Yung-Kang Shen
Taipei Medical University | TMU · School of Dental Technology

Doctor of Engineering
Chairman of School of Dental Technology

About

92
Publications
6,381
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851
Citations
Citations since 2017
19 Research Items
367 Citations
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
Introduction
Skills and Expertise

Publications

Publications (92)
Article
Full-text available
Hydrogen can be employed as an alternative renewable energy source in response to climate change, global warming, and the energy problem. Methanol gas steam reforming (SRM) is the major method used in industry to produce hydrogen. In the SRM process, the catalyst nature offers benefits such as low cost, simplicity, and quickness. In this work, dela...
Article
The present study aimed to develop a highly pure and crystalline beta-tricalcium phosphate (β-TCP) bone graft substitute using the propagated Scleractinian coral. The solid-state reaction followed by heat-treatment (1050 °C ∼ 1100 °C for 1 h) between calcium carbonate from the propagated coral and dicalcium phosphate anhydrous was performed to fabr...
Article
Full-text available
When the size of a liquid crystal display (LCD) increases, the light guiding plate (LGP) as the main part of the LCD must adopt a wedge-shaped plate to reduce its weight (the thickness of the LGP decreases because of this) and guide the light to the LCD screen. Micro-injection molding (MIM) is commonly used to manufacture LGPs. During the filling p...
Article
Full-text available
The present study aimed to determine the effectiveness of Trigona spp. propolis as an antioxidant to reduce residual peroxide after intra-coronal bleaching treatments. Thirty-five maxillary central incisors were divided into seven groups: five samples without antioxidants; sodium ascorbate 10% combined with Tween 80 0.2%; and Trigona spp. propolis...
Article
Full-text available
In this study, we determined the effects of design and processing parameters of precision injection molding (PIM) to minimize warpage phenomena of micro-sized parts using various plastics (polyoxymethylene (POM), acrylonitrile-butadiene-styrene (ABS), polypropylene (PP), polyamide (PA), and ABS+ polycarbonate (PC)). We applied a numerical simulatio...
Article
Full-text available
In this study, we designed and fabricated transmission parts for a flapping-wing micro-aerial vehicle (FW-MAV), which was fabricated by precision injection molding, and analyzed its warpage phenomena. First, a numerical simulation (Moldflow) was used to analyze the runner balance and temperature, pressure, and stress distributions of the base, gear...
Article
Full-text available
The ability of Pluronic F127 (PF127) conjugated with tetrapeptide Gly-Arg-Gly-Asp (GRGD) as a sequence of Arg-Gly-Asp (RGD) peptide to form the investigated potential hydrogel (hereafter referred to as 3DG bioformer (3BE)) to produce spheroid, biocompatibility, and cell invasion ability, was assessed in this study. The fibroblast cell line (NIH 3T3...
Article
Full-text available
This study examined the uniformity of illuminance field distributions of light guide plates (LGPs). First, the authors designed microstructural patterns on the surface of an LGP. Then, a mold of the LGP with the optimal microstructural design was fabricated by a photolithography method. Micro-injection molding (μIM) was used to manufacture the mold...
Article
Full-text available
This study applied poly-ε-caprolactone (PCL), a biomedical ceramic powder as an additive (nano-hydroxyapatite (nHA) or β-tricalcium diphosphate (β-TCP)), and sodium chloride (NaCl) and ammonium bicarbonate ((NH4)HCO3) as porogens; these stuffs were used as scaffold materials. An improved solvent-casting/particulate-leaching method was utilized to f...
Article
Full-text available
In these times of Industrial 4.0 and Health 4.0, people currently want to enhance the ability of science and technology, to focus on patient aspects. However, with intelligent, green energy and biomedicine these days, traditional three-dimensional (3D) printing technology has been unable to meet our needs, so 4D printing has now arisen. In this res...
Article
This study replicated a molded plastic substrate with micropatterns by a mold insert employing ultrasonic hot embossing. A plastic substrate and mold insert were combined and heated above the plastic’s glass transition temperature, and then the softened plastic was allowed to flow into the micropattern of the mold insert making use of pressure appl...
Article
Full-text available
This study emphasizes the warpage phenomenon of thin-walled parts using acrylonitrile-butadiene styrene (ABS) plus polycarbonate (PC) plastics for optimal processing by thin-wall injection molding. The authors first employed the Moldflow software to analyze the runner’s balance on multicavities for thin-walled parts and to simulate the warpage of t...
Article
Full-text available
This research produced a microneedle array patch consisting of a biodegradable polymer. Due to guidelines for the material’s failure and the mechanical properties of various skin layers, this research investigates four types of microneedles of three sizes to determine the optimal microneedle. Through numerical simulation, the insertion force and va...
Article
The surface of Ti6Al4V substrate was modified by two ways: micro-powder blasting and co-blast technique. Micro-powder blasting was done using Al2O3 (of three different sizes) or SiC particles. Co-blast technique was done using the same particles co-blasted with hydroxyapatite (HA) particles. The morphology, roughness, deep impact and contact angle...
Article
Full-text available
A drug-eluting stent with rhombic-shaped drug reservoirs is proposed, aimed at providing long-term drug delivery and enhanced fatigue life. Unique rhombic-shaped reservoirs or channels on the stent struts can increase the total drug capacity and improve the stress distribution for longer fatigue life, without compromising other important clinical a...
Article
Full-text available
This study investigates the results of cell cultures on aluminum (Al) templates with flat-structures, micro-structures, nano-structures and micro/nano-structures. An Al template with flat-structure was obtained by electrolytic polishing; an Al template with micro-structure was obtained by micro-powder blasting; an Al template with nano-structure wa...
Article
Full-text available
Endosseous oral implant is applied for orthodontic anchorage in subjects with multiple tooth agenesis. Its effectiveness under orthodontic loading has been demonstrated clinically and experimentally. This study investigates the deformation and stress on the bone and implant for different bite forces by three-dimensional (3D) finite element (FE) met...
Article
Full-text available
The conventional orthodontic power chain, often composed of polymer materials, has drawbacks such as a reduction of elasticity owing to water absorption as well as surface discoloration and staining resulting from food or beverages consumed by the patient. The goal of this study was to develop a surface treatment (nanoimprinting) for orthodontic po...
Article
Nanoporous anodic aluminum oxide (AAO) templates are fabricated using an anodization method. The mean diameter of the nanoporous AAO templates is 100 nm. A molded plastic thin film with nanostructure is fabricated using AAO template as a mold insert by nanoimprint. The surface properties of the molded plastic thin film obtained using various proces...
Article
Endosseous oral implants are used for orthodontic anchorage in subjects with multiple tooth agenesis. Their effectiveness under orthodontic loading has been demonstrated clinically and experimentally. This study examines three-dimensional (3D) finite element (FE) models for bone and implants. A numerical simulation of stress distributions around im...
Article
A highly uniform and hydrophobic nanopillar film was fabricated by nanoimprinting using the AA0 template as a mold in this study. Nanoporous anodic aluminum oxide (AAO) templates are fabricated using an anodization method. The mean diameters of nanoporous anodic aluminum oxide templates are 100 nm and 200 nm by various processing parameters of the...
Article
Full-text available
The naturally occurring isoprene rubber component of gutta-percha has been used in dental root canal filling treatments for almost a hundred years owing to its stability and plasticity as a root canal filling material. The traditional warm gutta-percha vertical compaction technique is the major technique for warm gutta-percha root canal obturation....
Article
The traditional orthodontic power chain, usually made of polymer materials, exists some drawbacks, such as the reduction of elasticity due to swell after absorbing water and surface discoloration resulting from the patient’s diet, food, or beverage colors leading to poor appearance. The main purpose of this study was to develop surface modification...
Article
Nanoporous anodic aluminum oxide (AAO) templates are fabricated using an nodization method. The mean diameters of nanoporous anodic aluminum oxide templates are 100 nm and 200 nm by various processing parameters of the anodization method. A molded plastic thin film nanostructure is fabricated by nanoimprinting using the AAO template as a mold inser...
Article
This study indicates the micropattern of molded plastic film from a mold insert using ultrasonic micro embossing. A mold insert and plastic film are heated above the glass transition temperature of plastic, and the softened plastic is flowed into the micropattern of a mold insert by applying pressure via a conventional technique. A longitudinal ult...
Article
This study determines the replication property and surface roughness of microfeatures of a Nimould that combines electroforming and large area hot embossing. The metal mould first uses a4 in. silicon wafer to fabricate a master using the UV-LIGA method, and then applies thesputtering method to sputter the copper element as the seed layer on the sur...
Article
Three-dimensional porous biodegradable polymer scaffolds have been widely used for tissue engineering of bone repair or regeneration. The primary function of scaffolds is to provide structure support for the cells adhesion and proliferation. This study selects the Poly-ɛ-caprolactone (PCL) as material, NaCl mixed with hydroxyapatite (HA) or nano-al...
Article
Hydroxyapatite (HA) coating of hard tissue implants is widely employed for its biocompatible and osteoconductive properties as well as its improved mechanical properties. In this study, a novel micro-blasting process has been used to successfully modify a titanium alloy substrate with a HA treatment using a dopant/abrasive regime. The impact of a s...
Article
3D porous biodegradable polymer scaffolds have been used for tissue engineering of bone repair or regeneration. The primary function of scaffolds is to provide structure support for the cells adhesion and proliferation. This study uses the Poly-ε-caprolactone (PCL) as material, NaCl mixed with hydroxyapatite (HA). This study uses the solution casti...
Article
Porous scaffolds fabricated from biodegradable polymers have been widely used and play a vital role in tissue engineering and in situ tissue reconstruction. This study presents a novel fabrication technique involving injection molding and conventional particulate leaching (IM/PL) to obtain the L-shaped nasal scaffold for rhinoplasty. The results in...
Article
This study photo-etches micropatterns on mold inserts and manufactures a light guide plate with microstructures using microinjection molding. The single parameter method is used to investigate flatness and replication with different process parameters for microinjection molding. Mold temperature is the most important factor for plate flatness and m...
Article
Nanoporous anodic aluminum oxide (AAO) templates are fabricated using an anodization method. The mean diameters of nanoporous anodic aluminum oxide templates are 100 nm and 200 nm by various processing parameters of the anodization method. A molded plastic thin film nanostructure is fabricated by nanoimprinting using the AAO template as a mold. The...
Article
In this paper, we are investigating the different cultured structures scale in micrometer and nanometer. The experiment have been fabricated four types aluminum substrate structures which included none-structure, micro-structure, nano-structure, and combined micro/nano structure to fulfill the research in osteoblast-like cell (MG 63). Finally we pe...
Article
This study characterizes warpage of a micro-injection molded micro electrical fan using the Michelson interference method. This study conducts experiments to analyze different polymers-polypropylene (PP), polyamide (PA), acrylonitrile-butadiene styrene (ABS), ABS+ polycarbonate (PC), and polyoxymethylene (POM)-process parameters, such as mold tempe...
Article
The purpose of this research is to find the optimal design for biodegradable polymer microneedle patches. Based on the mechanical properties of different skin layers and the failure criterion of the material, this research designs a microneedle of four types and three sizes, then discusses the insertion force and the variation of stress during the...
Article
This study forms hydroxyapatite-silica ceramic structure, which can generate interconnected porous 3D models suitable as bone scaffold, using a novel selective laser sintering (SLS) technique. Hydroxyapatite (HA) powder and a silica sol are first mixed into slurries. After processing by SLS, the HA particles are embedded in the gelled silica matrix...
Article
This study develops an improved method for generating aluminum mold inserts used in the replication of polymer-based microfluidic chip. Since molding masters that are suitable for microfluidic chip replication must have features whose dimensions are of the order of tens to hundreds of microns, micro electrical discharge machining is employed herein...
Article
Nanoporous anodic aluminum oxide (AAO) templates are fabricated using an anodization method. The mean diameter of the nanoporous anodic aluminum oxide templates is 100 nm. A molded plastic thin film with nano-structure is fabricated using AAO template as a mold insert by nanoimprint. The surface properties of the molded plastic thin film obtained u...
Article
This study investigates warpage of electronic dictionary battery covers fabricated using thin-wall injection molding as a replacement for conventional insert molding. The primary concern is the molding window in thin-wall injection molding for acrylonitrile–butadiene styrene (ABS) and polycarbonate (PC)+ABS plastics. Finally, the process parameters...
Article
This study fabricated a novel biodegradable polymer microneedle patch. First, a master microneedle array was fabricated using the micro electro-mechainal system (MEMS) process. Polydimethylsiloxane (PDMS) was then utilized to fabricate the microneedle mold. Finally, the biodegradable polymer polylactic acid (PLA) microneedle patch was fabricated by...
Article
This study investigates the flow characteristics of microinjection-molded lightguiding plates. This study also analyzes the position of melt fronts on lightguiding plates. Viscous heating, temperature and velocity distribution are utilized to analyze delay or advancement of the melt front experimentally and using three-dimensional (3D) numerical si...
Article
This work reports a novel and effective procedure for manufacturing the mold insert of microlens arrays. First, the microlens arrays master is formed using room-temperature imprint lithography and photoresist reflow process. Next, electroforming is carried out to fabriccate the metal mold insert from the master. Finally, microinjection molding is u...
Article
This paper presents a layer manufacturing technology called selective laser gelation (SLG), combining selective laser sintering (SLS) and sol–gel technique, for fabricating ceramic–matrix composite green parts which are difficult to produce using conventional processes. The material used comprises stainless steel powder and a silica sol at a propor...
Article
Nanoporous anodic aluminum oxide (AAO) templates are fabricated using an anodization method. The mean diameters of nanoporous anodic aluminum oxide templates are 100 nm and 200 nm by various processing parameters of the anodization method. A molded plastic thin film nanostructure is fabricated by nanoimprinting using the AAO template as a mold inse...
Article
This study describes the brightness field distributions of microlens arrays fabricated by micro injection molding (μIM) and micro injection-compression molding (μICM). The process for fabricating microlens arrays used room-temperature imprint lithography, photoresist reflow, electroforming, μIM, μICM, and optical properties measurement. Analytical...
Article
This paper proposes a solid freefrom fabrication (SFF) technology for fabricating hydroxyapatite(HA)-silica ceramics, which can generate porous three-dimensional physical objects. The HA powder and the silica are mixed with water into slurries form as raw materials. The slurries are paved by a scraper to from a thin layer which is selective scanned...
Article
In this study, master of the microlens arrays is fabricated using micro dispensing technology, and then electroforming technology is employed to replicate the Ni mold insert of the microlens arrays. Finally, micro hot embossing is performed to replicate the molded microlens arrays from the Ni mold insert. The resin material is used as the dispensin...
Article
The application of silicon mold inserts by micro-hot embossing molding has been explored in microfluidic chip fabrication. For the mold insert, this study employed an SU-8 photoresist to coat the silicon wafer. Ultraviolet light was then used to expose the pattern on the SU-8 photoresist surface. This study replicates the microstructure of the sili...
Article
Nano-porous anodic alumina oxide (AAO) templates are fabricated by anodizing method. The average diameter of nano-porous anodic alumina is 200 nm. The molded plastic thin film (Polycarbonate, PC) with nano-structure is fabricated by AAO as mold insert for nanoimprint. This research discusses the surface property of molded plastic thin film for diff...
Article
This paper presents a layer additive method, ceramic laser curing, to form a ceramic part with inner channel features, by which silica powder is bonded by curing effect under disposal of a 20W CO2 laser. This process includes four steps: making slurry by mixing a binder with ceramic powder, paving the slurry on the surface of a platform, scanning t...
Article
In this work, skeletons of micro aerial vehicle are fabricated by precision injection molding. The Taguchi method is adopted to identify the important factors that govern the shrinkage of MAV skeletons. The results indicate that the most significant factor in the shrinkage of a skeleton formed by precision injection molding is the mold temperature.
Article
This paper presents an innovative fabrication of a large-area silicon mold with microstructures. Conventional techniques capable of manufacturing a large size mold pose severe challenges in making microstructures. In contrast, semiconductor process is limited in its wafer scale. This paper shows a new approach to achieve a large beyond-wafer-size s...
Article
This research points out the brightness field and luminance distribution of the microstructure of a light guiding plate by micro injection molding (MIM) and micro injection-compression molding (MICM). The process of a light guiding plate includes photo-etching, micro molding techniques (MIM and MICM), and optical field measurement. The results show...
Article
This paper presents a layer manufacturing technology called selective laser gelling (SLG) to fabricate metal-ceramic composites green parts which are difficult to construct using traditional methods for fabricating composites. When a layer of metal-ceramic slurry is scanned via Nd: YAG laser radiation, the metal particles are gelled together by the...
Article
The process of micro-powder blasting is the high speed gas flow which mixed the micro-particle and gas to impact the brittle substrate by the specialized nozzle. This paper combined various diameters Al2O3 eroding particle with a novel masking technique to fabricate the pattern channels in soda glass with a width to 2000 μm and depth down to 1631 μ...
Conference Paper
This study develops an improved method for generating aluminum mold inserts used in the replication of polymer-based microfluidic chip. Since molding masters that are suitable for microfluidic chip replication must have features whose dimensions are of the order of tens to hundreds of microns, micro electrical discharge machining is employed herein...
Article
Full-text available
Relaxing from the conventional regarding of the "rigid" flapping mechanism, in this work we proposed using "flexible" carbon-fibers and parylene (poly-para-xylylene) films as the wing frames for palm-size micro aerial vehicles (MAVs) with the wingspan of 21.6 cm. We constructed the new flapping MAV with a small body mass of 5.9 g to set a successfu...
Article
This research investigates the luminance and the brightness field distribution of the microstructure of a light guiding plate (LGP) by micro injection molding (MIM) and micro injection-compression molding (MICM). The process of manufacturing a LGP includes photo-etching, MIM, MICM, and optical field measurement. The results show that the luminance...
Article
Precision injection molding is the most important technology in Bio-MEMS/NEMS industry for the necessary of scale, velocity and cost by the development of Bio-MEMS/NEMS industry and the innovation of Bio-MEMS/NEMS industry. It has the advantage of low cost, low interface and small volume in Bio-MEMS/NEMS industry. This paper emphasizes the analysis...
Article
Micro-injection molding is the most important technology in optical MEMS/NEMS industry for the necessary of scale, velocity and cost by the development of optical MEMS/NEMS industry and the innovation of optical MEMS/NEMS industry. It has the advantage of low cost, low interface and small volume in optical MEMS/NEMS industry. This paper emphasizes...
Article
The 3C (Computer, Communication and Consumer) product has the properties of being light, thin, short and small. In this study, numerical simulations of three-dimensional injection molding are used for thin-walled product. The governing differential equations are discredited by using control volume finite element method. This research points out the...
Article
Micro-injection molding is the most important technology in MEMS/NEMS industry for the necessary of scale, velocity and cost by the development of MEMS/NEMS industry and the innovation of MEMS/NEMS industry. It has the advantage of low cost, low interface and small volume in MEMS/NEMS industry. This paper emphasizes the analysis for microstructure...
Article
This study demonstrates the replication property and surface roughness for metal micro-mold that combines the replica molding (REM) and electroforming techniques. The micro-mold firstly uses the silicon wafer to fabricate the master mold by UV-LIGA method, and then uses the sputtering method to sputter the Ni element as the seed layer on the surfac...
Article
This study succeeds to replicate a micro-feature by ultrasonic nanoimprint. The conjunction effect of the pressure and the ultrasonic vibration enables flowing of plastic into a more precise micro-feature of the metal mold. The longitudinal wave generated by an ultrasonic system of the frequency 35KMz and output power 900W. The micro-feature of the...
Conference Paper
This study uses the microfluidic chip as an example to discuss its properties using silicon mold insert by micro hot embossing molding. This study uses the lithography technology to fabricate the silicon mold insert. In this study, the authors use the Taguchi method (L9 table) to discuss the different processing parameters for the properties of mol...
Article
A novel nutrient sensor using liquid core waveguide technique is reported, implementing Teflon AF 1601S coated microchannels. Straight PDMS microchannels replicated from a master were coated with Teflon AF 1601S and sealed with a Teflon AF 1601S coated Pyrex 7740 wafer. It formed a liquid core waveguide with a low index of refraction channel in whi...
Article
Many technologies, such as Radio Frequency Identification (RFID), have been developed to keep pace with rapid changes in society. Additionally, an RFID tag can be integrated with a sensor or actuator (a smart RFID), they can comprise a sensitive wireless network. The potential and utility of smart RFID techniques have increased dramatically. Howeve...
Article
This work used micro dispensing technology to fabricate the master of microlens array, then uses electroforming technology to replication the Ni mold insert of microlens array and finally used micro hot embossing to replicate the plastic microlens array. This work used the Si10 resin by AutoStrade Company for dispensing material. The resin material...
Article
This research first indicates the melt front delay of wedge-shaped lightguiding plate of backlight module on micro injection molding. This research fabricated the patterns of mold insert of lightguiding plate by photo etching process. The micro-facture of lightguiding plate was manufactured by micro injection molding. The lightguiding plate of back...
Article
In this study, the SiC particles with a mean diameter of 300nm were used to be codeposited with Ni-P base to produce Ni-P-SiC composite coatings by means of the pulse current electroforming technology. The relationship between the SiC particles and phosphorous contents in the composite coatings has been constructed. The wear behavior of the Ni-P-Si...
Article
Micro-powder blasting uses the high speed gas flow which mixed the micro-particle and gas to impact the brittle substrate by the specialized nozzle. This research combined various diameters Al2O3 eroding particle with a novel masking technique to fabricate the pattern channels in soda glass with a width down to 50 mum and depth down to 90 mum. The...
Article
Nanoimprint lithography is a highly effective method for manufacturing nanostructures. Although it is an excellent replication technique, the imprinted polymer adheres to the mold into which it is inserted, causing a severe problem. Numerous elementary experiments were performed to evaluate this phenomenon. For example, self-assembled monolayers su...
Article
An analysis of the effect of process parameters on the height replication of microstructures on lightguiding plates produced by micro-injection moulding (MIM) and micro-injection–compression moulding (MICM) is presented. The plates, of the size employed for LCD displays on digital cameras, feature microstructures with a radius from 100 to 300?m, in...
Article
This paper presents the application of microstructure replication of lightguiding plate for micro injection compression molding (MICM). The lightguiding plate is applied on LCD of two inch of digital camera. Its radius of micro-structure is from 100μm to 300μm by linearity expansion. The material of lightguiding plate is PMMA. This paper discusses...
Article
This paper reports a simple and novel procedure for fabricating the mold insert of microlens arrays. In this paper, an L9 experimental matrix design based on the Taguchi method is constructed to optimize the replication quality of molded microlens arrays. The results of the statistical analysis indicate that the processing temperature is the princi...
Article
This paper reports a simple and novel procedure for mold insert of microlens array. The micro injection molding (MIM) and micro injection-compression molding (MICM) are used to replicate the microlens array. The 200*200 arrays of molded microlens, with a diameter of 150 μm, a pitch of 200 μm and a sag height of 11.236 μm have been successfully fabr...
Article
The flip chip package has the advantages of low cost, low interface, and small volume in IC package. This study describes the analysis of underfill encapsulation between solder balls and microchip by experiment and 3D numerical simulation. The numerical simulation of underfill encapsulation is based on the concept of the control volume finite eleme...
Conference Paper
This paper reports a simple and novel procedure for mass production of microlens arrays. In this paper, a microlens array master is formed by room temperature imprint lithography and thermal reflow process. Next, electroforming is carried out to fabricate the metal mold insert from the microlens array master. Finally, micro-hot embossing is used to...
Article
Flip chip package is the most important technology in IC package necessary for scale, velocity and cost by the development of semiconductor technology and the innovation of computer product. It has the advantages of low cost, low interface and small volume in IC package. This paper emphasizes the analysis for underfill encapsulation between the sol...
Article
The purpose of this paper presents the optical properties of microstructure of lightguiding plate for micro injection molding (MIM) and micro injection-compression molding (MICM). The lightguiding plate is applied on LCD of two inch of digital camera. Its radius of microstructure is from 100 μm to 300 μm by linearity expansion. The material of ligh...
Article
Flip chip package is the most important technology in IC package for the necessary of scale, velocity and cost by the development of semiconductor technology and the innovation of computer product. This paper indicates that the analysis for flow visualization of the solder ball and chip between numerical simulation and experiment. A finite element...
Article
Microsystem technology is a compound technology including optic, mechanism, electricity, material, control and chemistry, etc. This technology can miniaturize products and increase their function, quality, trustworthiness and addendum. Micro-injection molding is a branch of the micro-electro mechanical system. The size of the product is in nanomete...
Article
Micro system technology is including Optic, Mechanism, Electricity, Material, Control and Chemistry, etc. Micro-injection molding is a branch of micro system technology. In this study, 3D numerical simulation and extension method are performed on micro-injection molding. The analysis with different polymers (such as PP - PA and POM) - processing pa...
Article
Flip chip encapsulation process is currently the most advanced package technology due to its ability to provide a large number of I/O interconnections and improve electrical performance. It has the advantage of low cost, low interface and small volume in IC package. This paper indicates that the analysis for package of the solder ball, chip and sub...