JPS6120660Y2 - - Google Patents

Info

Publication number

JPS6120660Y2

JPS6120660Y2 JP731080U JP731080U JPS6120660Y2 JP S6120660 Y2 JPS6120660 Y2 JP S6120660Y2 JP 731080 U JP731080 U JP 731080U JP 731080 U JP731080 U JP 731080U JP S6120660 Y2 JPS6120660 Y2 JP S6120660Y2

Authority

JP

Japan

Prior art keywords

optical system

thin plate

holding member

optical

holding device

Prior art date

1980-01-24

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 230000003287 optical effect Effects 0.000 claims description 33
• 238000001514 detection method Methods 0.000 claims description 3
• 230000005489 elastic deformation Effects 0.000 description 3
• 230000007774 longterm Effects 0.000 description 2
• 239000007769 metal material Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 230000035699 permeability Effects 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1