Technical Publications

Application Notes – Unit Level Traceability for Automotive Semiconductors

Apr 2023

Cooperation is key to success of the CHIPS and Science Act

Dec 2022

Operating in the eye of the COVID-19 storm Published in Chip Scale Review

Mar 2022

The future is bright for semiconductor industry growth Published in Chip Scale Review

Sept 2021

UTAC, a company well positioned to provide “full turnkey” WLCSP solutions – An interview with UTAC, Yole i-MicroNews

The real third wave of semiconductor market growth and some packaging challenges

UTAC, 2020

More Than a Decade of Excellence in Automotive IC Packaging and Test Manufacturing

UTAC, 2019

A New Development of Thermally Enhanced GaN-QFN with Heat Slug Attach Bonding Technology

Hyung Mook-Michael-Choi, Albert Loh, Ying Jia  

Thermal and Mechanical Analysis of Imaging Ball Grid Array Image Sensor Package

Ying Jia, Ko Lwin Kyaw, Teddy Joaquin Carreon  

Die Sticking Quality Issue of Tape-and-Reel Packaging for WLCSP

Lynn Khine (ADI), Joel C. Alimagno (UTAC)  

20 Most Promising Semiconductor Technology Solution Providers – 2019

CIO Review  

Delivering the automotive quality IC packaging technology solution that is helping to define the shape of the automotive industry

Asif Chowdhury, UTAC.  

CMOS Image Sensor Packaging Technology For Automotive Applications

Teoh Eng Kang, Alastair Attard, Jonathan Abela, UTAC. MINAPAD 2019 Grenoble, France,

OSAT Perspective Automotive Semiconductor Market And Manufacturing Challenges

Asif Chowdhury, UTAC. As Published in Chip Scale Review May June 2019

11 Myths About SiP

Lee Smith, UTAC. Electronic Design.
Sept 5, 2018 Visit here to find out more!

Multichip Integrated Copper Clip Package Technlogy, Supports High Current DC-DC Converter Applications.

Michael-HyungMook-Choi, Kyaw Ko Lwin & Lee Smith. UTAC Group 2018.

Copper Clip Package for High Performance MOSFETsand its Optimization

Kyaw Ko Lwin, Carolyn Epino Tubillo, Panumard T., Jun Dimaano, Dr. Nathapong Suthiwongsunthorn, Saravuth Sirinorakul. 18th Electronics Packaging Technology Conference (EPTC), Singapore

3D SiP Embedded Chip Providing Integration Solutions for Power Applications

Lee J. Smith. 3D-PEIM Conference 2016, Raleigh, North Carolina, USA

Development Approach and Process Optimization for Sidewall WLCSP Protection

Lee J. Smith and Jun Dimaano. IWLPC 2015, San Jose, USA

Development and Package characterization of Advance Leadless Lead-frame Package

Daniel Ting Lee Teh, Carolyn Epino Tubillo, Kyaw Ko Lwin, Gu Bin, Jun Dimaano, Saravuth Sirinorakul and Dr Nathapong Suthiwongsunthorn, MiNaPAD Forum 2015, Grenoble, France.

Package characterization of UTAC’s Grid Array Package (GQFN) and performance comparison over standard laminate packages

Daniel Ting Lee Teh, Carolyn Epino Tubillo, Kyaw Ko Lwin, Gu Bin, Ang Choon Ghee, Jun Dimaano, Saravuth Sirinorakul and Dr Nathapong Suthiwongsunthorn, 16th Electronics Packaging Technology Conference (EPTC), Singapore

Unit Warpage Control with Universal Die Thickness

Gu Bin, Jun Dimaano Jr., Richen Chen, Eric Bool, Seow Fui Shi, Choon Ghee Ang and Dr Nathapong Suthiwongsunthorn, 16th Electronics Packaging Technology Conference (EPTC), Singapore

Copper Pillar Bump Structure Optimization for Flip Chip Packaging with Cu/Low-K Stack

X.R. Zhang, W.H. Zhu, B.P. Liew, M. Gaurav, A. Yeo and K.C. Chan Proceedings of EuroSime2010, Bordeaux, France, P. 715-721.

Thermal performance evaluation and methodology for pyramid stack die packages

S. Krishna S., W.H. Zhu, C.K. Wang, S.H. Ore, H.B. tan and Anthony Y.S. Sun, Proceedings of Itherm2008, Florida, US, P.325-32.

Drop Reliability Study of BGA Assemblies with SAC305, SAC105 and SAC105-Ni Solder Ball on Cu-OSP and ENIG Surface Finish

W.H. Zhu, Luhua Xu, John HL Pang, X.R. Zhang, Edith Poh, Y.F. Sun, Anthony Y.S. Sun, C.K. Wang, H.B. Tan, the 58th Electronic Components and Technology Conference (ECTC2008), P.1667-72.

Impact of Packaging Design on Reliability of Large Die Cu/low-? (BD) Interconnect

Chai TC, Xiaowu Zhang, H.Y. Li, VN Sekhar, Hnin WY, Thew ML, OK Navas, John Lau, R. Murthy, S. Balakumar ,Tan YM, Cheng CK, SL Liew, Chi DZ, Zhu W.H., the 58th Electronic Components and Technology Conference (ECTC2008), Florida, US, P.38-45.

Angled high strain rate shear testing for SnAgCu solder ball

T.C. Chai, D.Q. Yu, W.H. Zhu and X.R. Zhang. The 58th Electronic Components and Technology Conference (ECTC2008), Florida, US, P.623-28.

Die Attach Adhesives for 3D Same-Sized Dies Stacked Packages

Toh CH, Mehta Gaurav, Tan Hua Hong and Ong Wilson PL. The 58th Electronic Components and Technology Conference (ECTC2008), Florida, US, P.1538-43.

Warpage Simulation and DOE Analysis with Application in Package-on-Package Development

Wei Sun, W.H. Zhu, C.K. Wang, Anthony Y.S. Sun and H.B. Tan, Proceedings of EuroSime2008, Freiburg, Germany, P.244-51.

Lead-free Solder Material Characterization For Themo-mechanical Modeling

Edith S.W. Poh*, W.H. Zhu, X.R. Zhang, C.K. Wang, Anthony Y.S. Sun and H.B. Tan, Proceedings of EuroSime2008, Freiburg, Germany, P.627-34.

Simulation Study on the Warpage Behavior and Board-level Temperature Cycling Reliability of PoP Potentially for High-speed Memory Packaging

Wei Sun, W.H. Zhu, Kriangsak Sae Le and H.B. Tan. ICEPT –HDP 2008 (C3-05) (Best conference paper).

Study of Five Substrate Pad Finishes for the Co-design of Solder Joint Reliability under Board-level Drop and Temperature Cycling Test Conditions

Wei Sun, W.H. Zhu, Edith S. W. Poh, H.B. Tan and Richard Te Gan. ICEPT –HDP 2008 (E3-08).

Thermal Evaluation of Two Die Stacked FBGA Packages

Krishnamoorthi. S, W.H. Zhu, C.K.Wang, H.B. Tan and Anthony Y.S. Sun. EPTC2007, Singapore, P. 278-284.

Ag Content Effect on Mechanical Properties of Sn-xAg-0.5Cu Solders

F.X. Che, Edith Candy Poh, W.H. Zhu and B.S. Xiong, EPTC2007, Singapore, P. 713-718.

Reliability assessment for Cu/Low-k structure based on bump shear modeling and simulation method

F.X. Che and W.H. Zhu, EPTC2007, Singapore, P. 27-31.

Packaging Failure Isolation with Time-Domain Reflectometry (TDR) for Advanced BGA Packages

Weiliang Yuan, Wenhui Zhu, Palei Win, CK Wang, HB Tan, and Anthony YS Sun, Proceedings of 8th International Conference on Electronics Packaging Technology (ICEPT 2007), Shanghai, China, pp.597-600..

Interfacial Reactions of Ni-doped SAC105 and SAC405 Solders on Ni-Au Finish during Multiple Reflows

Toh C.H., Liu Hao1, Tu C.T., Chen T.D., and Jessica Yeo, Proceedings of 8th International Conference on Electronics Packaging Technology (ICEPT 2007), Shanghai, China, pp.410-415.

Packaging Failure Isolation with Time-Domain Reflectometry (TDR) for Advanced BGA Packages

Weiliang Yuan, Wenhui Zhu, Palei Win, CK Wang, HB Tan, and Anthony YS Sun, Proceedings of 8th International Conference on Electronics Packaging Technology (ICEPT 2007), Shanghai, China, pp.597-600.

Comprehensive Modeling of Stress-Strain Behavior for Lead-Free Solder Joints under Board-Level Drop Impact Loading Condition

F. X. Che, W. H. Zhu, Wei Sun, Anthony Sun, C.K. Wang and H.B. Tan, ECTC2007, Rero, pp. 528-535.

Thermal Performance Enhancement for CSP Packages

Danny Retuta, Y. Y. Ma, Ravi Kanth, H.B. Tan, Anthony Sun and Susanto Tanary, ECTC2007, Rero, pp. 1690-1695.

Ultra-thin Die Characterization for Stack-die Packaging

Wei Sun, W.H. Zhu, F.X. Che, C.K. Wang, Anthony Y.S. Sun and H.B. Tan, ECTC2007, Rero, pp. 1390 - 1396.

Study on the Board-level SMT Assembly and Solder Joint Reliability of Different QFN Packages

Wei Sun, W.H. Zhu, F.X. Che, C.K. Wang, Anthony Y.S. Sun and H.B. Tan, EuroSime2007, London, UK, pp 344-349.

Development and Assessment of Global-Local Modeling Technique Used in Advanced Microelectronic Packaging

F. X. Che, W. H. Zhu, Wei Sun, Anthony Sun and C.K. Wang, EuroSime2007, London, UK, pp. 375 -381.

Cure shrinkage characterization and its implementation into correlation of warpage between simulation and measurement

W.H. Zhu, Sun Wei, Che F.X., Anthony Sun, C.K. Wang, H.B. Tan, EuroSime2007, London, UK, pp. 579-586.

Experimental and Numerical Assessment of Board-level Temperature Cycling Performance for PBGA, FBGA and CSP

Wei Sun, W. H. Zhu, F. X. Che, C. K. Wang, Anthony Y.S. Sun and H. B. Tan. 2006 Electronics Packaging Technology Conference , Singapore, pp.121-126.

Characterization of Viscoelastic Behaviour of a Molding Compound with Application to Delamination Analysis in IC Packages

Gojun Hu, Andrew A. O. Tay, Yongwei Zhang , Wenhui Zhu and Spencer Chew, EPTC2006, Singapore, pp. 53-59.

High-Speed Differential Interconnection Design for Flip-Chip BGA Packages

W.L. Yuan, H.P. Kuah, C.K. Wang, Anthony Y.S. Sun, W.H. Zhu, H.B. Tan, and A.D. Muhamad, EPTC2006, Singapore, pp. 76-81.

Optimization of Flip Chip Interconnect Reliability Using a Variable Compliance Interconnect Design

Andrew A.O. Tay and Wei Sun, 2006 Electronics Packaging Technology Conference , Singapore, pp.133-137.

Cyclic Bend Fatigue Reliability Investigation for Sn-Ag-Cu Solder Joints

F.X. Che, W.H. Zhu and Anthony Y. S. Sun , EPTC2006, Singapore, pp.313-317.

On the Thermal Characterization of an Exposed Top Quad Flat No-Lead Package

Y.Y. Ma, Krishnamoorthi. S, C.K. Wang, Anthony Y.S. Sun, W.H. Zhu and H.B. Tan, EPTC2006, Singapore, pp. 810-814.

Exposed Die-Top Encapsulation Molding for an Improved High-Performance Flip Chip BGA Package

Desmond Y. R. Chong, B. K. Lim, Kenneth J. Rebibis, S. J. Pan, Member, IEEE, K. Sivalingam, R. Kapoor, Anthony Y. S. Sun, and H. B. Tan, IEEE Transactions On Advanced Packaging, Vol. 29.

Modeling Constitutive Model Effect on Reliability of Lead-Free Solder Joints

F. X. Che, W. H. Zhu, Wei Sun, and Anthony Y. S. Sun , ICEPT2006, Shanghai China, pp.155-160.

Experimental and Numerical Assessment of Board-level Temperature Cycling Performance for Eutectic and Pb-free windows-Chip-Scale-Package (wCSP)

Wei Sun, W. H. Zhu, F. X. Che, C. K. Wang, Anthony Y.S. Sun and H. B. Tan, ICEPT2006, Shanghai China.

Experimental and Numerical Assessment of Board-level Temperature Cycling Performance for Eutectic and Pb-free windows-Chip-Scale-Package (wCSP)

Wei Sun, W. H. Zhu, F. X. Che, C. K. Wang, Anthony Y.S. Sun and H. B. Tan, ICEPT2006, Shanghai China.

Performance Assessment on Board-level Drop Reliability for Chip Scale Packages (Fine-pitch BGA)

Desmond Y.R. Chong, F.X. Che, L.H. Xu, H.J. Toh, John H.L. Pang, B.S. Xiong, B.K. Lim, ECTC2006, San Diego, California, pp. 356-363.

Design and Process Optimization for Dual Row QFN

Danny V. Retuta, B.K Lim, H.B. Tan, ECTC2006, San Diego, California, pp. 1827-1835.

Analysis of Electromagnetic Susceptibility on High Speed Circuits Located in a Shielded Enclosure

H. N. Phyu, Er-Ping Li and Weiliang Yuan, EMC 2006, Singapore, pp. 312-315.

Drop impact reliability testing for lead-free and lead-based soldered IC packages

Desmond Y.R. Chong, F.X. Che b, John H.L. Pang, Kellin Ng,Jane Y.N. Tan, Patrick T.H. Low, Microelectronics Reliability 46 (2006) 1160–1171.

Die Attach Film Application in Multi Die Stack Package

S.N. Song, H.H Tan, P.L. Ong, Proc 7th Electronics Packaging Technology Conf, Singapore.

Development of Ball Grid Array Packages with Improved Thermal Performance

Y.Y. Ma, Desmond Y.R. Chong, C.K. Wang, and Anthony Y.S. Sun, Proc 7th Electronics Packaging Technology Conf, Singapore.

Drop Reliability Performance Assessment for PCB Assemblies of Chip Scale Packages (CSP)

Desmond Y.R. Chong, H.J. Toh, B.K. Lim, Patrick T.H. Low, Proc 7th Electronics Packaging Technology Conf, Singapore.

Design and Development of Stacked Die Technology Solutions for Memory Packages

Desmond Y.R. Chong, H. Liu, B.K. Lim, P. Win, C.K. Wang, H.B. Tan, A.Y.S. Sun, Proc 7th Electronics Packaging Technology Conf, Singapore.

Stacked Die Technology for DRAM Memory Packages

H. Liu, B.K. Lim, D.Y.R. Chong, P. Win, H.B. Tan, 15th European Microelectronics and Packaging Conference & Exhibition, Brugge, Belgium.

Drop Impact Reliability Testing for Lead-Free and Leaded Soldered IC Packages

D.Y.R. Chong, K. Ng, J.Y.N. Tan, P.T.H. Low, J.H.L. Pang, F.X. Che, B.S. Xiong, L.H. Xu, 55th Electronic Components & Technology Conference, Florida, USA.

Design and Development of True-CSP

K.R. Kanth, F.K.S. Poh, B.K. Lim, D.Y.R. Chong, A.Y.S. Sun, H.B. Tan, 55th Electronic Components & Technology Conference, Florida, USA.

Thermal Management and Characterization of Flip Chip BGA Packages

Krishnamoorthi S., D.Y.R. Chong, A.Y.S. Sun, Proc 6th Electronics Packaging Technology Conf, Singapore.

Package Design Optimization and Materials Selection for Stack Die BGA Package

Rahul Kapoor, Lim Beng Kuan, Liu Hao, SEMICON West, 2004.

Mechanical Characterization in Failure Strength of Silicon Dice

D.Y.R. Chong, W.E. Lee, J.H.L. Pang, T.H. Low, B.K. Lim, Proc Inter Society Conference on Thermal Phenomena, ITherm, Nevada, USA, pp. 203-210.

Development of a New Improved High Performance Flip Chip BGA Package

D.Y.R. Chong, B.K. Lim, Kenneth J. Rebibis, S.J. Pan, Krishnamoorthi S., R. Kapoor, Anthony Y.S. Sun, H.B. Tan, Proc 54th Electronic Components and Technology Conf, Nevada, USA, pp. 1174-1180.

Heat Spreader Impact on Electrical Performance of a 4-Layer PBGA Package

S.J. Pan, D.Y.R. Chong, A.Y.S. Sun, Proc 54th Electronic Components and Technology Conf, Nevada, USA, pp. 1772-1775.

Reliability Analyses for New Improved High Performance Flip Chip BGA Packages

D.Y.R. Chong, K.Y. Goh, R. Kapoor, A.Y.S. Sun, Proc 5th Electronics Packaging Technology Conf, Singapore, pp 695-700.

Finite Element Parametric Analysis on Fine-Pitch BGA (FBGA) Packages

D.Y.R. Chong, C.K. Wang, K.C. Fong, InterPack'03, Hawaii, USA.

Reliability Assessment of a High Performance Flip-Chip BGA Package (organic substrate based) using Finite Element Analysis

D.Y.R. Chong, R. Kapoor, Y.S. Sun, Proc 53rd Electronic Components and Technology Conf, New Orleans, LA, pp. 207-213.