发明名称 |
POLYIMIDE LAYER-CONTAINING FLEXIBLE SUBSTRATE, POLYIMIDE LAYER-CONTAINING SUBSTRATE FOR FLEXIBLE SOLAR CELL, FLEXIBLE SOLAR CELL, AND METHOD FOR PRODUCING SAME |
摘要 |
A flexible substrate has heat resistance to endure the high temperature such as sintering of a photovoltaic conversion layer of a compound-type thin film solar cell, can prevent permeation and/or diffusion of metal into the photovoltaic conversion layer, and can be used for many applications. The polyimide layer-containing flexible substrate has a metal substrate of metal foil made of ordinary steel or stainless steel having a coefficient of thermal expansion in a plane direction of not more than 15 ppm/K, or a metal substrate of metal foil made of that ordinary steel or stainless steel on the surface of which a metal layer comprising one of copper, nickel, zinc, or aluminum or an alloy layer of the same is provided, over which a polyimide layer having a layer thickness of 1.5 to 100 μm and a glass transition point temperature of 300 to 450° C. is formed. |
申请公布号 |
US2015136209(A1) |
申请公布日期 |
2015.05.21 |
申请号 |
US201314400720 |
申请日期 |
2013.05.14 |
申请人 |
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD. |
发明人 |
Hattori Kouichi;Hiraishi Katsufumi;Ohta Takuhei;Terashima Shinichi;Suda Hideaki;Kurosaki Masao;Tanaka Masamoto;Nagasaki Shuji;Mizuyama Atsushi |
分类号 |
H01L31/0392;C09D179/08;H01L31/18 |
主分类号 |
H01L31/0392 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
Tokyo JP |