JPS63174100U - - Google Patents

Info

Publication number

JPS63174100U

JPS63174100U JP646087U JP646087U JPS63174100U JP S63174100 U JPS63174100 U JP S63174100U JP 646087 U JP646087 U JP 646087U JP 646087 U JP646087 U JP 646087U JP S63174100 U JPS63174100 U JP S63174100U

Authority

JP

Japan

Prior art keywords

zone plate

fresnel zone

linear

openings

linear fresnel

Prior art date

1987-01-19

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

• 239000006096 absorbing agent Substances 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1