Title:
REINFORCED TOUGHENED FILTER, GRADUATED NEUTRAL-DENSITY FILTER PLATING DEVICE AND PLATING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/052090
Kind Code:
A1
Abstract:
A reinforced toughened filter, comprising a substrate (110) and a film layer (120). The film layer (120) is formed by alternately stacking a dielectric layer consisting of Al2O3 and a metal film layer consisting of Ti; the film layer (120) is merely attached to one side surface of the substrate (110) or simultaneously attached to both side surfaces of the substrate (110). Also disclosed are a graduated neutral-density filter plating device and a plating method applying the graduated neutral-density filter plating device.
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Inventors:
ZHANG WEILIANG (CN)
Application Number:
PCT/CN2017/119986
Publication Date:
March 21, 2019
Filing Date:
December 29, 2017
Export Citation:
Assignee:
JIANGMEN KASE OPTICS CO LTD (CN)
International Classes:
C23C14/04; C23C14/24; G02B1/10; G02B1/14; G02B5/20; G02B5/28
Foreign References:
| CN206476893U | 2017-09-08 | |||
| CN205942212U | 2017-02-08 | |||
| CN105245789A | 2016-01-13 |
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (CN)
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