Patent ID: 9698069
Date: 2017-07-04
CPC Classifications: C03C,H01L

Claim:
1. A semiconductor device, comprising: a silicon-made semiconductor element having a pn junction; and a glass layer which covers the pn junction, wherein the glass layer is formed by baking a layer made of a glass composition, the glass composition comprises fine glass particles prepared from a material in a molten state obtained by melting a glass material which contains at least SiO the content of SiO the content of B the content of Al the content of ZnO falls within a range of 3.9 mol % to 14.2 mol %, the content of the oxides of alkaline earth metals falls within a range of 7.4 mol % to 12.9 mol %, the content of CaO falls within a range of 2.0 mol % to 5.3 mol %, the content of MgO falls within a range of 1.0 mol % to 2.3 mol %, the content of BaO falls within a range of 2.6 mol % to 5.3 mol %, and an average linear expansion coefficient within a temperature range of 50° C. to 550° C. falls within a range of 3.33×10