JPH0216010U - - Google Patents

Info

Publication number

JPH0216010U

JPH0216010U JP9458788U JP9458788U JPH0216010U JP H0216010 U JPH0216010 U JP H0216010U JP 9458788 U JP9458788 U JP 9458788U JP 9458788 U JP9458788 U JP 9458788U JP H0216010 U JPH0216010 U JP H0216010U

Authority

JP

Japan

Prior art keywords

light

brightness

measured

optical system

signal detector

Prior art date

1988-07-19

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 230000003746 surface roughness Effects 0.000 claims description 4
• 230000001427 coherent effect Effects 0.000 claims description 3
• 230000003287 optical effect Effects 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 4
• 238000005259 measurement Methods 0.000 description 2