Distal end unit of endoscope, and endoscope
US11963660B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2021 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | May 3, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/2469
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A distal end unit of an endoscope includes: a distal end frame body that is constituted by a resin molded article configuring a molded interconnect device, that is provided with an image pickup unit containing room, and that is provided with an observation opening portion that opens the image pickup unit containing room on a distal end surface exposed to an exterior; a metal layer that is provided along a flat surface of the observation opening portion; a cover glass that closes the observation opening portion; a solder layer that is bonded to the metal layer and that holds the cover glass on the distal end frame body; and an adhesive layer that covers the solder layer, the metal layer is provided at a position corresponding to a groove provided on the flat surface, and the solder layer is disposed in an interior of the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.