Patent · US Expired

Laser unit

US4918702A · kind A · utility

29Cited by
4References
41Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 29, 1988
Grant dateApr 17, 1990
Priority date
Expiry dateNov 29, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/024
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A laser unit includes a laser source for emitting a laser beam, a collimator lens for collimating the laser beam emitted from the laser source, a supporting member, made of a good thermal conductivity material, for supporting the laser source, and a heat insulating layer disposed between the supporting member and the collimator lens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.