Evaporation boat
AssigneeKennametal Inc.
InventorAlexander Draken
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Abstract
The invention relates to an evaporation boat comprising an evaporator body, wherein the evaporator body comprises an evaporator surface which extends along a longitudinal direction of the evaporator body. The evaporator surface has a pyramidally structured surface which can be created by mechanically machining the evaporator surface in two mutually perpendicular machining directions. The pyramidally structured surface comprises a plurality of structural elements which are directly adjacent to one another and have a substantially rectangular bottom surface and lateral surfaces which taper conically to a top surface or point.
Claims17
An evaporation boat comprising an evaporator body, wherein
- the evaporator body comprises an evaporator surface which extends along a longitudinal direction of the evaporator body, wherein
- the evaporator surface has a pyramidally structured surface which is created by mechanically machining the evaporator surface in two mutually perpendicular machining directions, wherein
- the pyramidally structured surface comprises a plurality of structural elements which are directly adjacent to one another and have a substantially rectangular bottom surface and lateral surfaces which taper conically to a top surface or point, wherein the opposite lateral surfaces of two adjacent structural elements span an external angle α of 85-95°.
Dependencies are inferred from the claim text.