Spacer and laminate
AssigneeHoya Corporation
InventorMasao Takano
Life of this patent
Estimating the term…
Abstract
A sheet-like spacer to be used when a laminate of a plurality of substrates is formed for the purpose of processing end faces of the substrates is provided between the adjacent substrates in the laminate to keep the adjacent substrates apart from each other. An area of the spacer is smaller than that of the substrates. A contact angle of a surface of the spacer with respect to pure water is 50° or less.
Claims20
A sheet-shaped spacer to be used when a laminate of a plurality of substrates is formed for the purpose of processing end faces of the substrates, the spacer being provided between the adjacent substrates in the laminate to keep the adjacent substrates apart from each other,
- wherein an area of the spacer is smaller than that of each of the substrates,
- the spacer has a same shape as that of each of the substrates, and
- a contact angle of a surface of the spacer with respect to pure water is 50° or less.
Dependencies are inferred from the claim text.