Patents
US 9429638 B2: Method of replacing an existing contact of a wafer probing assembly
- Granted
- 2016-08-30
- Filed
- 2013-04-01 application 13854725
- Type
- Utility · 12 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The contacts of a probing apparatus are elastically supported on a replaceable coupon and electrically interconnected with conductors on a membrane or a space transformer.
Source: PVGPATDIS, file of 2026-04-10 (ipg160830.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Cascade Microtech, Inc. 96 patents | US company or organization | Beaverton, OR | CASCADE MICROTECH INC SEC filer EXACT medium confidence: identical full name, one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Kenneth R. Smith | Beaverton, OR | 20 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01R | Measuring electric variables; measuring magnetic variables | G01R31/2891 | PVGPATDIS, file of 2026-04-10 |
| B32B | Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form | B32B38/10 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T29/49126 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-07-29 | Security interest Security interest Security interest | FORMFACTOR, INC. signed 2025-07-29 | WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT SAN ANTONIO, TX | 72263/272 | PASDL, file of 2026-10-25 |
| 2021-09-01 | Assignment Assignment of assignor's interest | FORMFACTOR BEAVERTON, INC. signed 2021-08-26 | FORMFACTOR, INC. LIVERMORE, CA | 57393/609 | PASDL, file of 2026-10-15 |
| 2018-07-18 | Name change Change of name | CASCADE MICROTECH, INC. signed 2018-05-14 | FORMFACTOR BEAVERTON, INC. BEAVERTON, OR | 46573/664 | PASDL, file of 2026-10-15 |
| 2013-10-17 | Assignment Assignment of assignor's interest | SMITH, KENNETH R. signed 2009-11-18 | CASCADE MICROTECH, INC. BEAVERTON, OR | 31487/85 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.