Title:
PROTECTIVE CAP, ELECTRONIC DEVICE, AND PROTECTIVE CAP PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/014201
Kind Code:
A1
Abstract:
A protective cap 4 comprises a frame part 6, a lid part 7 covering one end opening of the frame part 6, and a joining section 8 joining the frame part 6 and the lid part 7. The lid part 7 comprises silica glass, and the frame part 6 comprises a glass material in which the coefficient of thermal expansion in the temperature range of 30-380°C is 30×10-7 to 100×10-7/°C.
Inventors:
NISHIMIYA TAKASHI (JP)
HIRAO TORU (JP)
HIRAO TORU (JP)
Application Number:
PCT/JP2021/021555
Publication Date:
January 20, 2022
Filing Date:
June 07, 2021
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
H01L23/02; C03B23/203; C03C3/076; C03C3/078; C03C3/083; C03C3/085; C03C3/087; C03C3/089; C03C3/091; C03C3/093; H01L33/48
Domestic Patent References:
| WO2020070329A1 | 2020-04-09 |
Foreign References:
| JP2012054492A | 2012-03-15 | |||
| JP2002289718A | 2002-10-04 | |||
| JP2012079550A | 2012-04-19 | |||
| JP2021114578A | 2021-08-05 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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