公开(公告)号：US20150136209A1

公开(公告)日：2015-05-21

申请号：US14400720

申请日：2013-05-14

申请人： NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.

发明人： Kouichi Hattori ,  Katsufumi Hiraishi ,  Takuhei Ohta ,  Shinichi Terashima ,  Hideaki Suda ,  Masao Kurosaki ,  Masamoto Tanaka ,  Shuji Nagasaki ,  Atsushi Mizuyama

IPC分类号： H01L31/0392 ,  C09D179/08 ,  H01L31/18

CPC分类号： H01L31/03926 ,  B32B15/012 ,  B32B15/013 ,  B32B15/015 ,  C08G73/1042 ,  C08G73/105 ,  C08G73/1067 ,  C08G73/1071 ,  C09D179/08 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  H01L31/03928 ,  H01L31/18 ,  H01L31/1884 ,  Y02E10/541 ,  Y02E10/542 ,  Y02P70/521

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.

摘要翻译： 柔性基板具有耐受高温的耐热性，例如复合型薄膜太阳能电池的光伏转换层的烧结，可以防止金属渗透和/或扩散到光伏转换层中，并且可以用于许多 应用程序。 含有聚酰亚胺层的柔性基板具有由平面方向的热膨胀系数为15ppm / K以下的普通钢或不锈钢制的金属箔的金属基板，或由该材料制成的金属箔的金属基板 在其表面上提供包含铜，镍，锌或铝之一的金属层或其合金层的普通钢或不锈钢，其上层叠厚度为1.5至100μm的聚酰亚胺层和 玻璃化转变温度为300〜450℃。