Inventor
LO JIANN-CHANG
US21 patents
⚠️ This page may combine multiple inventors who share the name “LO JIANN-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
14 patentsUS5804982ASep 8, 1998
Miniature probe positioning actuator
IBM128 citations97
US6104581AAug 15, 2000
Dual coil rotary actuator
IBM25 citations92
US6100623AAug 8, 2000
Piezoelectric actuator for control and displacement sensing
IBM37 citations92
US5528033AJun 18, 1996
Automatic surface profiling for submicron device
IBM21 citations92
US5543726AAug 6, 1996
Open frame gantry probing system
IBM32 citations91
US6201383B1Mar 13, 2001
Method and apparatus for determining short circuit conditions using a gang probe circuit tester
IBM20 citations82
US5550483AAug 27, 1996
High speed test probe positioning system
IBM19 citations81
US6252414B1Jun 26, 2001
Method and apparatus for testing circuits having different configurations with a single test fixture
IBM13 citations73
US5775567AJul 7, 1998
Apparatus for wirebonding using a tubular piezoelectric ultrasonic transducer
IBM15 citations73
US5631856AMay 20, 1997
Test sequence optimization process for a circuit tester
IBM16 citations73
US5626276AMay 6, 1997
Linkage drive mechanism for ultrasonic wirebonding
IBM11 citations73
US5635849AJun 3, 1997
Miniature probe positioning actuator
IBM10 citations71
US5532611AJul 2, 1996
Miniature probe positioning actuator
IBM11 citations71
US6163090ADec 19, 2000
Probe position actuator with an elongated stroke
IBM4 citations59
INTEL CORP
4 patentsUS6661815B1Dec 9, 2003
Servo technique for concurrent wavelength locking and stimulated brillouin scattering suppression
INTEL CORP125 citations94
US6667998B1Dec 23, 2003
Thermoelectric cooler linearization in a tunable laser
INTEL CORP44 citations92
US6724790B1Apr 20, 2004
Laser facet phase control
INTEL CORP39 citations91
US7468996B2Dec 23, 2008
External cavity laser tuning element dither servo control
INTEL CORP0 citations51