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US 10,541,160 B2Granted
Substrate case and substrate accommodation apparatus
AssigneeNikon Corporation
InventorsHideo Mizutani, Tohru Kiuchi, Toru Kawaguchi, Takashi Masukawa
Life of this patent
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Abstract
A substrate case includes a shaft portion around which a sheet-shaped substrate having a circuit area in which a circuit manufacturing process is performed is wound; and a cover portion that accommodates the substrate in the state of being wound around the shaft portion, the shaft portion having a holding portion that holds an area different from the circuit area at a winding start portion of the substrate.
Claims17
A substrate case comprising:
- a shaft portion including a holding portion that detachably holds and contacts one end portion of a sheet-shaped substrate on which a display element is formed, a first portion, a second portion opposite to the first portion, and a rib portion disposed between the first portion and the second portion and including a plurality of ribs, each of the ribs including a curved side surface curved in a ring shape around a substantially entire circumference of the surface of the shaft portion, the curved side surfaces of the ribs contacting with a surface of the sheet-shaped substrate, and the curved side surfaces of the ribs being separate from each other in a longitudinal direction and a circumferential direction of the shaft portion;
- and
- a cover portion that is openable and closable and is attached to the shaft portion and to accommodate the sheet-shaped substrate in a state where the one end portion of the sheet-shaped substrate is held by the holding portion of the shaft portion and where the sheet-shaped substrate is wound around the rib portion of the shaft portion and is rolled.
Dependencies are inferred from the claim text.