Inventor
David Angell
Inventor
Poughkeepsie, NY, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B81Bprimary
B81BMicrostructural devices or systems, e.g. micromechanical devices15%
H01HElectric switches15%
H01JElectric discharge tubes or discharge lamps15%
H10DInorganic electric semiconductor devices15%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
PatentTitleYear
7,273,804'Internally reinforced bond pads'20076,864,578'Internally reinforced bond pads'20056,780,695'BiCMOS integration scheme with raised extrinsic base'20046,777,302'Nitride pedestal for raised extrinsic base HBT process'20046,762,667'Micro electromechanical switch having self-aligned spacers'20046,621,392'Micro electromechanical switch having self-aligned spacers'20036,268,226'Reactive ion etch loading measurement technique'20015,658,423'Monitoring and controlling plasma processes via optical emission using principal component analysis'19975,288,367'End-point detection'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2007Patents assigned to IBM (9)· patent assignee history
1994–2007Based in Poughkeepsie, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 9 | 1994–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Poughkeepsie, New York, US | 9 | 1994–2007 |