Title:
PRODUCTION OF OPTICAL MEMBER
Document Type and Number:
Japanese Patent JPH05323141
Kind Code:
A
Abstract:
PURPOSE:To provide a production method of optical parts without losing visibility of positioning pattern. CONSTITUTION:The production method includes the following processes. A first positioning pattern 5a is formed on the surface of a substrate. A second rugged pattern 5b which fits to the first pattern 5a, and a third rugged pattern 6a in the specified position for the second rugged pattern 5b are formed. Then specified working is performed at a specified position to the first positioning pattern 5a by using the third rugged pattern 6a as the reference position.
Inventors:
UEKI TAKESHI
SHIMIZU TAKEO
OYAMA ISAO
NAKAMURA SHIRO
YANAGAWA HISAHARU
SHIMIZU TAKEO
OYAMA ISAO
NAKAMURA SHIRO
YANAGAWA HISAHARU
Application Number:
JP12753792A
Publication Date:
December 07, 1993
Filing Date:
May 20, 1992
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD
International Classes:
G02B6/13; (IPC1-7): G02B6/12
Attorney, Agent or Firm:
Takehiko Suzue