PS

Paul J. Steffan

AM AMD: 68 patents #69 of 9,279Top 1%
📍 Elk Grove, CA: #3 of 301 inventorsTop 1%
🗺 California: #4,522 of 386,348 inventorsTop 2%
Overall (All Time): #30,385 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 26–50 of 69 patents

Patent #TitleCo-InventorsDate
6291332 Electroless plated semiconductor vias and channels Allen S. Yu 2001-09-18
6287968 Method of defining copper seed layer for selective electroless plating processing Allen S. Yu, Thomas C. Scholer 2001-09-11
6287922 Method for fabricating graded LDD transistor using controlled polysilicon gate profile Allen S. Yu, Patrick K. Cheung 2001-09-11
6284553 Location dependent automatic defect classification Allen S. Yu 2001-09-04
6274443 Simplified graded LDD transistor using controlled polysilicon gate profile Allen S. Yu, Patrick K. Cheung 2001-08-14
6272393 Efficient tool utilization using previous scan data Allen S. Yu 2001-08-07
6261960 High density contacts having rectangular cross-section for dual damascene applications Allen S. Yu, Bharath Rangarajan 2001-07-17
6239008 Method of making a density multiplier for semiconductor device manufacturing Allen S. Yu, Thomas C. Scholer 2001-05-29
6238940 Intra-tool defect offset system Allen S. Yu 2001-05-29
6204133 Self-aligned extension junction for reduced gate channel Allen S. Yu 2001-03-20
6200823 Method for isolation of optical defect images Allen S. Yu 2001-03-13
6191036 Use of photoresist focus exposure matrix array as via etch monitor Allen S. Yu, Bharath Rangarajan 2001-02-20
6191044 Method for forming graded LDD transistor using controlled polysilicon gate profile Allen S. Yu, Patrick K. Cheung 2001-02-20
6185511 Method to accurately determine classification codes for defects during semiconductor manufacturing Ming Chen 2001-02-06
6177287 Simplified inter database communication system Allen S. Yu 2001-01-23
6174739 Method of monitoring via and trench profiles during manufacture 2001-01-16
6174738 Critical area cost disposition feedback system Ming Chen 2001-01-16
6171874 Non-defect image and data transfer and storage methodology Allen S. Yu 2001-01-09
6165805 Scan tool recipe server Allen S. Yu 2000-12-26
6154711 Disposition tool for factory process control Ming Chen 2000-11-28
6133140 Method of manufacturing dual damascene utilizing anisotropic and isotropic properties Allen S. Yu, Thomas C. Scholer 2000-10-17
6107204 Method to manufacture multiple damascene by utilizing etch selectivity Allen S. Yu, Thomas C. Scholer 2000-08-22
6103616 Method to manufacture dual damascene structures by utilizing short resist spacers Allen S. Yu, Thomas C. Scholer 2000-08-15
6100593 Multiple chip hybrid package using bump technology Allen S. Yu, Thomas C. Scholer 2000-08-08
6098024 System for process data association using LaPlace Everett interpolation Ming Chen 2000-08-01