Patent Number: 6,294,822

Title: Spheric semiconductor device, method for manufacturing the same, and spheric semiconductor device material

Abstract: The present invention discloses a small spherical solar cell SS (spherical semiconductor) and the manufacturing method for the same, comprising: a spherical core 1; a reflective film 2 formed on the surface of core 1; a semiconductor thin film layer (p type polycrystalline silicon thin film 4a, n+ diffusion layer 7) which is approximately spherical and is formed on the surface of reflective film 2; a n+p junction 8 which is formed on semiconductor thin film layer; passivation film 9; and a surface protective film 10 of titanium dioxide; a pair of electrodes 11a, 11b connected to both sides of n+p junction 8. Other than spherical solar cell SS, the following are also disclosed: a spherical crystal manufacturing device; 2 types of spherical solar cells; 2 types of spherical photocatalytic elements; a spherical light emitting element which emits visible blue light; 2 types of spherical semiconductor device materials.

Inventors: Nakata; Josuke (Jyoyo-shi Kyoto 610-01, JP)


International Classification: H01L 31/06 (20060101); H01L 31/0216 (20060101); H01L 31/052 (20060101); H01L 31/0224 (20060101); H01L 31/0352 (20060101); H01L 31/062 (20060101); H01L 31/0248 (20060101); H01L 33/00 (20060101); H01L 31/18 (20060101); H01L 031/06 ()

Expiration Date: 09/25/2018