Metal plate, deposition mask, and manufacturing method therefor
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United States of America Patent
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Oct 10, 2023
Grant Date -
N/A
app pub date -
Dec 3, 2021
filing date -
Mar 14, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Discussed is a deposition mask including a metal plate having a first surface and a second surface opposite to the first surface, wherein the metal plate including an invar, wherein the metal plate includes a plurality of through-hole, wherein the through-hole includes a first surface hole forming in the first surface, a second surface hole forming in the second surface, and a connecting part through which the first surface hole and the second surface hole communicate with each other, and wherein an angle formed by a virtual line connecting the end of the connecting part and the end of the second surface hole, and a virtual line extending in a direction parallel to the second face from the end of the second surface hole is 30 to 60 degrees.
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