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Patent Searching and Data


Title:
低表面エネルギのオフサルミックレンズにマークを付ける方法
Document Type and Number:
Japanese Patent JP2006506675
Kind Code:
A
Abstract:
The application of a mark on the surface of an ophthalmic glass of the type with an external hydrophobic and/or oleophobic coating with a low surface energy on a substrate or a coating with a high surface energy comprises: (a) positioning a mask, with a configuration complementary to the desired mark, between the surface to be marked and an energizing discharge source able to eliminate the external coating to reveal the underlying substrate or high energy coating; and (b) depositing on the outer coating, a temporary protective coating having a surface energy higher than that of the external coating and a thickness of less than 5 nm in order to allow the discharge to act on the external coating across the temporary protective coating.

Inventors:
Control dominique
Keller Gerhard
Willman Gerard
Application Number:
JP2004552783A
Publication Date:
February 23, 2006
Filing Date:
November 07, 2003
Export Citation:
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Assignee:
Essilor Alter National Companie General Doptake
International Classes:
G02B1/10; G02C7/02
Foreign References:
WO2001068384A12001-09-20
WO2001002496A22001-01-11
US2536075A1951-01-02
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato