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    • 8. 发明专利
    • Annealing method and apparatus therefor
    • 退火方法及其设备
    • JP2005247643A
    • 2005-09-15
    • JP2004061419
    • 2004-03-04
    • Canon Incキヤノン株式会社
    • MIYAZAKI SUNAO
    • G02B3/00B29C71/02C03B25/02
    • C03B25/02
    • PROBLEM TO BE SOLVED: To solve a problem that the annealing of an injection molded plastic made optical device, not to mention an optical glass to be a base material of a press molded glass made optical device requires time of approximately a half day to several weeks to remarkably deteriorate the efficiency.
      SOLUTION: When the glass made or plastic made optical device W such as a lens, a prism or a grating is annealed to eliminate internal residual strain or to adjust to a desired optical characteristic such as a desired refractive index, the annealing time is shortened by carrying out the annealing under an pressurized atmosphere higher than atmospheric pressure to give compressive force to the optical device W.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题为了解决注射成型的塑料制造的光学器件的退火的问题,更不用说作为压制玻璃制成的光学器件的基材的光学玻璃需要大约半天的时间 几个星期来显着降低效率。 解决方案:当将诸如透镜,棱镜或光栅的玻璃制造或塑料制成的光学器件W退火以消除内部残余应变或调节到期望的光学特性,例如所需折射率时,退火时间 通过在高于大气压的加压气氛下进行退火以对光学装置W施加压缩力来缩短。(C)2005,JPO和NCIPI