Inventor
Alan H. Field
Inventor
Topsfield, MA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions29%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G01RMeasuring electric variables14%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
G06FElectric digital data processing7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
PatentTitleYear
7,616,322'Cyclic error compensation in interferometry systems'20097,362,313'Touch simulation system and method'20086,163,163'Semiconductor material characterizing method and apparatus'20006,097,205'Method and apparatus for characterizing a specimen of semiconductor material'20006,034,535'Method utilizing a modulated light beam for determining characteristics such as the doping concentration profile of a specimen of semiconductor material'20005,249,030'Method and apparatus for determining the position of a moving body and the time of the position measurement'19934,883,357'Dual high stability interferometer'19894,765,741'Wavelength tracking compensator for an interferometer'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to HEWLETT PACKARD CO (1)· patent assignee history
1988–1989Based in San Jose, CA, US· patent location history
1989–2009Patents assigned to ZYGO CORP (3)· patent assignee history
1993–2009Based in Essex, CT, US· patent location history
2000Patents assigned to SEMITEST INC (3)· patent assignee history
2000–2008Based in Topsfield, MA, US· patent location history
2008Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEMITEST INC | 3 | 2000 |
| ZYGO CORP | 3 | 1989–2009 |
| 3M INNOVATIVE PROPERTIES CO | 1 | 2008 |
| HEWLETT PACKARD CO | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Topsfield, Massachusetts, US | 4 | 2000–2008 |
| Essex, CT, US | 2 | 1993–2009 |
| San Jose, California, US | 2 | 1988–1989 |