Inventor

Prahalad K. Vasudev

Inventor

Austin, TX, US

Overview

27→

Patents

1983–2000

Patent span

Electricity

Primary field (CPC H)

Patents· 27 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Pprimary

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

H10DInorganic electric semiconductor devices15%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%

C23CCoating metallic material7%

H10HInorganic light-emitting semiconductor devices having potential barriers6%

G02BOptical elements, systems or apparatus2%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%

H05KPrinted circuits2%

PatentTitleYear

6,100,184'Method of making a dual damascene interconnect structure using low dielectric constant material for an inter-level dielectric layer'2000 6,037,664'Dual damascene interconnect structure using low dielectric constant material for an inter-level dielectric layer'2000 5,891,513'Electroless CU deposition on a barrier layer by CU contact displacement for ULSI applications'1999 5,830,805'Electroless deposition equipment or apparatus and method of performing electroless deposition'1998 5,824,599'Protected encapsulation of catalytic layer for electroless copper interconnect'1998 5,695,810'Use of cobalt tungsten phosphide as a barrier material for copper metallization'1997 5,674,787'Selective electroless copper deposited interconnect plugs for ULSI applications'1997 5,660,706'Electric field initiated electroless metal deposition'1997 5,480,747'Attenuated phase shifting mask with buried absorbers'1996 5,474,865'Globally planarized binary optical mask using buried absorbers'1995 5,472,811'Phase shifting mask structure with multilayer optical coating for improved transmission'1995 5,418,095'Method of fabricating phase shifters with absorbing/attenuating sidewalls using an additive process'1995 5,411,824'Phase shifting mask structure with absorbing/attenuating sidewalls for improved imaging'1995 5,289,027'Ultrathin submicron MOSFET with intrinsic channel'1994 5,160,560'Method of producing optically flat surfaces on processed silicon wafers'1992 5,081,062'Monolithic integration of silicon on insulator and gallium arsenide semiconductor technologies'1992 5,027,177'Floating base lateral bipolar phototransistor with field effect gate voltage control'1991 4,965,872'MOS-enhanced, self-aligned lateral bipolar transistor made of a semiconductor on an insulator'1990 4,826,300'Silicon-on-sapphire liquid crystal light valve and method'1989 4,816,893'Low leakage CMOS/insulator substrate devices and method of forming the same'1989 4,753,895'Method of forming low leakage CMOS device on insulating substrate'1988 4,748,485'Opposed dual-gate hybrid structure for three-dimensional integrated circuits'1988 4,659,392'Selective area double epitaxial process for fabricating silicon-on-insulator structures for use with MOS devices and integrated circuits'1987 4,617,066'Process of making semiconductors having shallow, hyperabrupt doped regions by implantation and two step annealing'1986 4,509,990'Solid phase epitaxy and regrowth process with controlled defect density profiling for heteroepitaxial semiconductor on insulator composite substrates'1985 4,439,910'Process for fabrication of monolithic transistor coupled electroluminescent diode'1984 4,388,633'Monolithic transistor coupled electroluminescent diode'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1994Patents assigned to HUGHES AIRCRAFT CO (12)· patent assignee history

1983–1988Based in Santa Monica, CA, US· patent location history

1988–1994Based in Thousand Oaks, CA, US· patent location history

1995–2000Patents assigned to SEMATECH INC (13)· patent assignee history

1995–2000Based in Austin, TX, US· patent location history

1997–1999Patents assigned to INTEL CORP (5)· patent assignee history

1997–1999Patents assigned to CORNELL RES FOUNDATION INC (4)· patent assignee history

2000Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEMATECH INC	13	1995–2000
HUGHES AIRCRAFT CO	12	1983–1994
INTEL CORP	5	1997–1999
CORNELL RES FOUNDATION INC	4	1997–1999
LUCENT TECHNOLOGIES INC	2	2000

Locations

Location	Patents	Span
Austin, Texas, US	13	1995–2000
Thousand Oaks, California, US	8	1988–1994
Santa Monica, California, US	6	1983–1988