公开(公告)号：US20220221681A1

公开(公告)日：2022-07-14

申请号：US17607764

申请日：2020-05-28

申请人： SUMITOMO ELECTRIC FINE POLYMER, INC.

发明人： Shohei OKABE ,  Hiroki YAMANE

IPC分类号： G02B7/02 ,  B29C35/08 ,  C03B11/08

摘要： The optical element holder according to the present disclosure is an optical element holder for holding an optical element, wherein the optical element holder is formed from an optical element holder resin compound, the optical element holder resin compound contains a thermoplastic resin as a main component, a melting curve obtained by differential scanning calorimetry analysis of the optical element holder resin compound at a temperature increase rate of 10° C./min has two peaks in a range of not lower than 160° C. and not higher than 230° C. and a range of not lower than 260° C. and not higher than 320° C., and a ratio of a melting heat quantity in the range of not lower than 160° C. and not higher than 230° C. to a total melting heat quantity is not less than 20% and not greater than 80%.