Title:
LAMINATED CLOTH FOR 4G OR 5G NETWORK CIRCUIT BOARD SUBSTRATE AND MANUFACTURING PROCESS OF SAME
Document Type and Number:
WIPO Patent Application WO/2018/032795
Kind Code:
A1
Abstract:
A laminated cloth for 4G or 5G network circuit board substrate and a manufacturing process of the same, wherein the laminated cloth comprises an alkali-free glass fiber base fabric and a polytetrafluoroethylene coating. Both sides of the alkali-free glass fiber base fabric are covered with polytetrafluoroethylene coating, the polytetrafluoroethylene coating having two or more layers, the thickness of the laminated cloth being between 0.05 mm and 0.15 mm. The manufacturing process of the laminated cloth comprises: (1) fabric dewaxing; (2) low temperature dipped processing; (3) high temperature sintering; and (4) winding to obtain a finished product of polytetrafluoroethylene coated glass fiber laminated cloth.
Inventors:
ZHAO WENJIE (CN)
ZHAO HUI (CN)
HOU JINGUO (CN)
ZHAO HUI (CN)
HOU JINGUO (CN)
Application Number:
PCT/CN2017/081251
Publication Date:
February 22, 2018
Filing Date:
April 20, 2017
Export Citation:
Assignee:
JIANGSU TAIFULONG TECH CO LTD (CN)
International Classes:
B32B17/04
Foreign References:
| CN106313796A | 2017-01-11 | |||
| CN205929660U | 2017-02-08 | |||
| CN104532504A | 2015-04-22 | |||
| CN102198745A | 2011-09-28 | |||
| CN104532578A | 2015-04-22 |
Attorney, Agent or Firm:
WAYNE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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