Title:
GLASS PLATE STRUCTURE, DIAPHRAGM AND OPENING MEMBER
Document Type and Number:
WIPO Patent Application WO/2022/045027
Kind Code:
A1
Abstract:
The present invention pertains to a glass plate structure that comprises two or more plates and an intermediate layer satisfying all of the following properties (1) to (3), said intermediate layer being disposed between at least a pair of plates among the aforesaid plates, wherein: at least one of the pair of plates is a glass plate; the loss coefficient at the temperature of 25°C is 0.01 or more; and the longitudinal wave sound velocity in the plate thickness direction is 4.0×103m/s or more. (1) The thickness is 20 μm or less. (2) The compression storage modulus at the temperature of 25°C is 1.0×104 Pa or less. (3) At the temperature of 25°C and at 1 Hz, the compression storage modulus is higher than the compression loss modulus.
Inventors:
SAKURAI KENTO (JP)
AKIYAMA JUN (JP)
AKIYAMA JUN (JP)
Application Number:
PCT/JP2021/030678
Publication Date:
March 03, 2022
Filing Date:
August 20, 2021
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C27/12; B32B17/10; H04R7/02
Domestic Patent References:
| WO2019172076A1 | 2019-09-12 | |||
| WO2018097106A1 | 2018-05-31 | |||
| WO2018197489A1 | 2018-11-01 |
Foreign References:
| JP2019068368A | 2019-04-25 | |||
| JP2018168057A | 2018-11-01 | |||
| JP2014509078A | 2014-04-10 | |||
| JP2011116894A | 2011-06-16 | |||
| JP2009096933A | 2009-05-07 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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