CN202242177U - 一种聚四氟乙烯铝基覆铜箔板 - Google Patents

一种聚四氟乙烯铝基覆铜箔板 Download PDF

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Publication number
CN202242177U
CN202242177U CN201120360553XU CN201120360553U CN202242177U CN 202242177 U CN202242177 U CN 202242177U CN 201120360553X U CN201120360553X U CN 201120360553XU CN 201120360553 U CN201120360553 U CN 201120360553U CN 202242177 U CN202242177 U CN 202242177U
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polytetrafluoroethylene
aluminium base
copper foil
dielectric layer
aluminum
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CN201120360553XU
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顾根山
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Abstract

本实用新型公开了一种聚四氟乙烯铝基覆铜箔板,它包括介质层(1),在介质层(1)的两表面分别敷有铝基板(2)和铜箔层(3)。本实用新型不但散热性高、屏蔽性能好,而且可以实现高频化和微波化等性能。

Description

一种聚四氟乙烯铝基覆铜箔板
技术领域
本实用新型涉及一种聚四氟乙烯铝基覆铜箔板。
背景技术
目前市场上铝基覆铜箔板介质是以环氧树脂或改性环氧树脂构成,无法满足电子通讯方面对高频化、微波化的需求。
发明内容
本实用新型提供了一种聚四氟乙烯铝基覆铜箔板,它不但散热性高、屏蔽性能好,而且可以实现高频化和微波化等性能。
本实用新型采用了以下技术方案:一种聚四氟乙烯铝基覆铜箔板,它包括介质层,在介质层的两表面分别敷有铝基板和铜箔层。
所述的介质层为无碱玻璃布,无碱平纹玻璃布上涂覆聚四氟乙烯分散液。所述的铝基板至少设置为一层。所述的铜箔层至少设置为一层。所述的铝基板、介质层及铜箔层的质量比为3-7:2-6:1。
本实用新型具有以下有益效果:本实用新型的介质层两面分别为铝基板和铜箔层,介质层可以是聚四氟乙烯分散液浸渍无碱玻璃布,利用聚四氟乙烯薄膜改性介电常数或者是浸渍聚四氟乙烯分散液与陶瓷粉混合体,改变介电常数,由于铝基板和铜箔层的导热系数大于2.8,热阻小于2.0,因此具有散热性好、屏蔽性能优异,以及高频化和微波化等优异的综合性能。
附图说明
图1为本实用新型的结构示意图。
具体实施方式
在图1中,本实用新型公开了一种聚四氟乙烯铝基覆铜箔板,其特征是它包括介质层1,在介质层1的两表面分别敷有铝基板2和铜箔层3,铝基板2至少设置为一层,本实施例设置为一层,铜箔层3至少设置为一层,本实施例设置为一层,铝基板2、介质层1及铜箔层3的质量比为3-7:2-6:1,介质层1为无碱玻璃布,无碱平纹玻璃布上涂覆聚四氟乙烯分散液。

Claims (5)

1.一种聚四氟乙烯铝基覆铜箔板,其特征是它包括介质层(1),在介质层(1)的两表面分别敷有铝基板(2)和铜箔层(3)。
2.根据权利要求1所述的聚四氟乙烯铝基覆铜箔板,其特征是所述的介质层(1)为无碱玻璃布,无碱平纹玻璃布上涂覆聚四氟乙烯分散液。
3.根据权利要求1所述的聚四氟乙烯铝基覆铜箔板,其特征是所述的铝基板(2)至少设置为一层。
4.根据权利要求1所述的聚四氟乙烯铝基覆铜箔板,其特征是所述的铜箔层(3)至少设置为一层。
5.根据权利要求1所述的聚四氟乙烯铝基覆铜箔板,其特征是所述的铝基板(2)、介质层(1)及铜箔层(3)的质量比为3-7:2-6:1。
CN201120360553XU 2011-09-25 2011-09-25 一种聚四氟乙烯铝基覆铜箔板 Expired - Fee Related CN202242177U (zh)

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CN201120360553XU CN202242177U (zh) 2011-09-25 2011-09-25 一种聚四氟乙烯铝基覆铜箔板

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102371724A (zh) * 2011-09-25 2012-03-14 顾根山 一种聚四氟乙烯铝基覆铜箔板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102371724A (zh) * 2011-09-25 2012-03-14 顾根山 一种聚四氟乙烯铝基覆铜箔板

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