JPS6134488Y2 - - Google Patents

Info

Publication number

JPS6134488Y2

JPS6134488Y2 JP1703981U JP1703981U JPS6134488Y2 JP S6134488 Y2 JPS6134488 Y2 JP S6134488Y2 JP 1703981 U JP1703981 U JP 1703981U JP 1703981 U JP1703981 U JP 1703981U JP S6134488 Y2 JPS6134488 Y2 JP S6134488Y2

Authority

JP

Japan

Prior art keywords

illumination

annular

light

sample surface

mirror

Prior art date

1981-02-09

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

• 238000005286 illumination Methods 0.000 claims description 34
• 230000003287 optical effect Effects 0.000 claims description 11
• 238000000149 argon plasma sintering Methods 0.000 claims description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 230000000007 visual effect Effects 0.000 description 2
• 229910001369 Brass Inorganic materials 0.000 description 1
• 244000248349 Citrus limon Species 0.000 description 1
• 235000005979 Citrus limon Nutrition 0.000 description 1
• 230000004075 alteration Effects 0.000 description 1
• 239000010951 brass Substances 0.000 description 1
• VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005530 etching Methods 0.000 description 1
• 230000005669 field effect Effects 0.000 description 1
• 230000001771 impaired effect Effects 0.000 description 1
• 230000001678 irradiating effect Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 229910001120 nichrome Inorganic materials 0.000 description 1
• 238000005488 sandblasting Methods 0.000 description 1
• 238000004381 surface treatment Methods 0.000 description 1