Inventor
HAO JIFA
US11 patents
⚠️ This page may combine multiple inventors who share the name “HAO JIFA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FAIRCHILD SEMICONDUCTOR
8 patentsUS7436021B2Oct 14, 2008
Dense trench MOSFET with decreased etch sensitivity to deposition and etch processing
FAIRCHILD SEMICONDUCTOR16 citations92
US6635535B2Oct 21, 2003
Dense trench MOSFET with decreased etch sensitivity to deposition and etch processing
FAIRCHILD SEMICONDUCTOR28 citations92
US6573569B2Jun 3, 2003
Trench MOSFET with low gate charge
FAIRCHILD SEMICONDUCTOR35 citations85
US7897471B2Mar 1, 2011
Method and apparatus to improve the reliability of the breakdown voltage in high voltage devices
FAIRCHILD SEMICONDUCTOR14 citations82
US6358825B1Mar 19, 2002
Process for controlling lifetime in a P-I-N diode and for forming diode with improved lifetime control
FAIRCHILD SEMICONDUCTOR13 citations69
US7332750B1Feb 19, 2008
Power semiconductor device with improved unclamped inductive switching capability and process for forming same
FAIRCHILD SEMICONDUCTOR5 citations55
US9537001B2Jan 3, 2017
Reduction of degradation due to hot carrier injection
FAIRCHILD SEMICONDUCTOR1 citations51
US8357562B2Jan 22, 2013
Method to improve the reliability of the breakdown voltage in high voltage devices
FAIRCHILD SEMICONDUCTOR0 citations51