Embedded radial fired laser igniter
US11536551B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2021 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Aug 27, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/1053
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A laser ignition assembly comprises first and second mounting surfaces opposed to each other. A central cavity is formed through the surfaces and sized to receive energetic material therein. A vertical solder bridge is formed between the surfaces and an edge emitting laser diode disposed between the surfaces. The laser diode is oriented such that a light fluence therefrom is directed in a radial direction into the central cavity. The surfaces can be circuit boards, e.g., copper clad, rigid circuit boards, and have an annular shape. The central cavity can be further defined by an interboard gap between the surfaces. The ignition assembly can fit within a primer cup of a munition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.