Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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11/00
Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
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H01J11/48
Sealing, e.g. seals specially adapted for leading-in conductors
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H01J11/48

Deposition mask and method of manufacturing the same
09975134 · 2018-05-22 · ·

A deposition mask comprises a mask frame having an open window defined in a center thereof, a first mask sheet placed on the mask frame and including a plurality of open regions and a separation region which separates the open regions, and a second mask sheet placed on the first mask sheet and including a first aperture portion in a region which contacts the separation region of the first mask sheet.