US 12,076,890 B2
Replica master mold, method of manufacturing replica master mold, article, and method of manufacturing formation object
Akihiro Shibata, Tokyo (JP); Shunichi Kajiya, Sendai (JP); Kazuya Hayashibe, Sendai (JP); and Masanao Kikuchi, Miyagi (JP)
Assigned to Dexerials Corporation, Shinagawa-ku Tokyo (JP)
Appl. No. 16/099,692
Filed by Dexerials Corporation, Shinagawa-ku Tokyo (JP)
PCT Filed Apr. 27, 2017, PCT No. PCT/JP2017/016780
§ 371(c)(1), (2) Date Nov. 8, 2018,
PCT Pub. No. WO2017/195633, PCT Pub. Date Nov. 16, 2017.
Claims priority of application No. 2016-094103 (JP), filed on May 9, 2016; and application No. 2016-162922 (JP), filed on Aug. 23, 2016.
Prior Publication US 2019/0193305 A1, Jun. 27, 2019
Int. Cl. B29C 33/42 (2006.01); B29C 33/38 (2006.01); B29C 59/02 (2006.01); B29C 35/08 (2006.01)
CPC B29C 33/424 (2013.01) [B29C 33/38 (2013.01); B29C 33/3842 (2013.01); B29C 59/022 (2013.01); B29C 2035/0827 (2013.01); B29C 2059/023 (2013.01); B29K 2827/06 (2013.01); B29K 2833/12 (2013.01); B29K 2867/003 (2013.01); B29K 2995/0024 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A replica master mold, comprising:
a base material layer; and
a surface shape body formed on the base material layer and having a fine irregular pattern,
wherein a softening temperature of the surface shape body is higher than a softening temperature of the base material layer, and
a plurality of intermediate layers made of different materials is formed between the base material layer and the surface shape body, and
a softening temperature of the plurality of intermediate layers is lower than the softening temperature of the surface shape body and is higher than the softening temperature of the base material layer.