Inventor
David A. Hansen
Inventor
Palo Alto, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing75%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for25%
PatentTitleYear
6,966,822'System and method for CMP having multi-pressure zone loading for improved edge and annular zone material removal control'20056,641,461'Chemical mechanical polishing apparatus having edge, center and annular zone control of material removal'20036,623,343'System and method for CMP head having multi-pressure annular zone subcarrier material removal control'20036,598,704'Truck catwalk system'20036,558,232'System and method for CMP having multi-pressure zone loading for improved edge and annular zone material removal control'20036,527,625'Chemical mechanical polishing apparatus and method having a soft backed polishing head'20036,506,105'System and method for pneumatic diaphragm CMP head having separate retaining ring and multi-region wafer pressure control'20036,431,093'Truck catwalk system'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Based in Minto, ND, US· patent location history
2003–2005Patents assigned to MULTI PLANAR TECHNOLOGIES INC (5)· patent assignee history
2003Patents assigned to MULTI PLANAR TECHNOLOGYIES INC (1)· patent assignee history
2003–2005Based in Palo Alto, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MULTI PLANAR TECHNOLOGIES INC | 5 | 2003–2005 |
| MULTI PLANAR TECHNOLOGYIES INC | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 6 | 2003–2005 |
| Minto, ND, US | 2 | 2002–2003 |