Patent ID: 11973155
Assignee: DAI NIPPON PRINTING CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  B  Y | IPC B  H

Claim 1:
2. The sealing material sheet according to claim 1, wherein:
the change rate of the linear expansion coefficient from the first inflection point temperature to the temperature +3° C. the first inflection point temperature is at least 1.2 times the change rate of the linear expansion coefficient from the temperature −3° C. the first inflection point temperature to the first inflection point temperature, and
the change rate of the linear expansion coefficient from the second inflection point temperature to the temperature +3° C. the second inflection point temperature is at least 1.2 times the change rate of the linear expansion coefficient from the temperature −3° C. the second inflection point temperature to the second inflection point temperature.