Title:
トリミングに適切なレンズの処理方法
Document Type and Number:
Japanese Patent JP4408859
Kind Code:
B2
Abstract:
The treatment of an ophthalmic glass, with two principal surfaces of which at least one incorporates an external organic or mineral layer coated with a temporary protective layer of MgF 2, comprises: (a) chemical treatment by a liquid of the temporary protective layer, leading to the formation of a layer of MgO on the temporary protective layer; (b) deposition of at least one metal oxide and/or at least one non-fluoride metal hydroxide on the temporary protective layer by transfer or from an electrostatic film or by evaporation under vacuum or directly on the temporary protective layer; and (c) the deposition of the temporary protective layer of MgF 2 on the external layer by evaporation under vacuum at a speed of less than or equal to 0.5 nm/second. An independent claim is included for an ophthalmic lens treated as above.
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Inventors:
Lacan Pascal
Control dominique
Control dominique
Application Number:
JP2005500696A
Publication Date:
February 03, 2010
Filing Date:
July 02, 2003
Export Citation:
Assignee:
Essilor Aterna Zionard Company Generale De Optics
International Classes:
G02C7/02; B24B9/14; C03C17/34; C03C17/42; G02B1/10; G02B1/11
Domestic Patent References:
| JP7148652A |
Foreign References:
| WO2002092524A1 |
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa
Haruko Sanwa