Patents
US 7960671 B2: Laser shock processing with momentum trap
- Granted
- 2011-06-14
- Filed
- 2006-12-07 application 11608210
- Type
- Utility · 33 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method for laser shock processing a device, including a metallic body having a surface, comprises conformally applying a compliant solid material to the first region on the surface of the metallic body and applying a layer of ablative material to the second region on the surface of the metallic body. A damping liquid is flowed over the layer of ablative material. An array of pulses of laser energy is directed through the damping fluid to impact the layer of ablative material on the surface and peen the surface in the second region. The pulses induce pressure waves within the metallic body which propagate to the surface in the first region. The compliant solid material acts as a momentum trap, so that the acoustic waves are at least partially coupled into the compliant solid material and attenuated outside of the metallic body.
Source: PVGPATDIS, file of 2026-04-10 (ipg110614.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| METAL IMPROVEMENT COMPANY, LLC 12 patents | US company or organization | Paramus, NJ | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| C. Brent Dane | Livermore, CA | 6 | PVGPATDIS, file of 2026-04-10 | |
| Lloyd Hackel | Livermore, CA | 8 | PVGPATDIS, file of 2026-04-10 | |
| Fritz B. Harris | Rocklin, CA | 5 | PVGPATDIS, file of 2026-04-10 | |
| Chanh H. Truong | Hayward, CA | 2 | PVGPATDIS, file of 2026-04-10 | |
| James D. Wintemute | Livermore, CA | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B29C | Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-treatment of the shaped products, e.g. repairing | B29C39/12 | PVGPATDIS, file of 2026-04-10 |
| C21D | Modifying the physical structure of ferrous metals; general devices for heat treatment of ferrous or non-ferrous metals or alloys; making metal malleable, e.g. by decarburisation or tempering | C21D7/06 | 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 |
|---|---|---|---|---|---|
| 2006-12-27 | Assignment Assignment of assignor's interest | HACKEL, LLOYD signed 2006-04-07 HARRIS, FRITZ B. signed 2006-04-10 TRUONG, CHANH H. signed 2006-04-10 DANE, C. BRENT signed 2006-04-18 WINTEMUTE, JAMES D. signed 2006-04-18 | METAL IMPROVEMENT COMPANY LLC PARAMUS, NJ | 18681/423 | 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.