Dr. Harrison Chang is the VP in ASE Corporate R&D heading Miniaturized Product division, focusing on the heterogeneous integration of System-in-Package for WWAN/WLAN modem, mmWave, smart phone, wearable, and automotive electronics applications. He has more than 30 technical papers and global patents. He has been an IEEE member for more than 25 years, and has been participating in the EPS society and MTT society actively.

He graduated from Electrical Engineer Department, National Taiwan University in 1985. He received his Ph.D. degree on Electromagnetic from the Department of Electrical Engineering, University of Maryland, College Park in 1993. Since then, his experience includes Deputy Professor in the Huafan University, Taiwan, Senior Engineer in Qualcomm, San Diego, Associate VP in BenQ, founder and CEO of the Indigo Mobile Technologies.

張仁程(Jeff Chang)是美商懷格電源科技Vicor Power台灣區應用工程師，負責對台灣地區客戶技術支援及開發新應用，新市場，及新產品需求。張仁程(Jeff Chang) 在電子產業擁有20年電源設計經驗，涵蓋手持產品，平板及筆記型電腦，工業產品，以及伺服器/資料中心等。張仁程(Jeff Chang)畢業於國立台灣科技大學電子系。

• 美商美信半導體股份有限公司(MAXIM)---1999~2007
• 美商研諾邏輯半導體股份有限公司(AATI)---2007~2012
• 美商思佳訊半導體股份有限公司(Skyworks)---2012~2013
• 百慕達商艾迪特科技有限公司(IDT)---2013~2015
• 美商懷格股份有限公司(VICOR)---2015~Now

• DC-DC(buck, boost, buck-boost, ZVS/ZCS), PMIC
• Wire and Wireless charger and battery management
• HVDC design at Datacenter and Telecom application
• AC-DC and active PFC

楊有承現任Vicor台灣區應用工程師，主要負責對資料中心客戶的技術支援及48V電源架構推廣。主要電源架構是導入Vicor 專有的Factorized Power Architecture TM (FPA TM) Topology技術應用於 “48V Direct To CPU / GPU / DDR Power / ASIC”、 Sine Amplitude Converter TM (SAC TM) Topology 技術應用於 “Bidirectional 48V 12V”及以導入 Vicor 的Zero Voltage Switching TM (ZVS TM) Topology技術到 ”48V to PoL”(12V/5V/3.3V/2.5V..) 應用。 ZVS架構除了上述資料中心應用外 , 也非常適合各種的不同應用市場, 比如 : Automotive, LED Lighting, Industrial, Telecom , Railway..等應用領域。

目前也致力於推廣更先進的垂直供電Vertical Power Delivery (VPD) 電源傳輸架構 , 減少PND阻抗, 改善傳統電源傳輸損耗從VR output terminal to CPU/GPU/ASIC 。

楊有承2015年加入 Vicor Taiwan. 在電子產業電源設計經驗擁有18年以上經驗，涵蓋手持產品, 大尺寸直下式LED TV, NB, 以及伺服器等領域。