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US 2021/0230738 A1Published application
Vapour deposition evaporator device
AssigneeDyson Technology Limited
InventorMichael Edward RENDALL
Life of this patent
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Abstract
An evaporator device incudes a crucible comprising an inlet through which solid material is introduced to the crucible, and an outlet through which vaporised material is released from the crucible. Vapours outgassed from molten material within the crucible are guided away from the outlet.
Claims15
A vapour deposition evaporator device comprising:
- a crucible having an inlet through which solid material is introduced to the crucible, and an outlet through which vaporised material is released from the crucible;
- one or more heaters;
- a base;
- and
- a guide surface wherein the guide surface directs outgassed vapour from molten material within the crucible away from the outlet.
2 more elements
A method of melting and evaporating a solid material, the method comprising the steps of:
- heating a melt-down zone of a crucible to a first temperature;
- heating an evaporator zone of the crucible to a second temperature which is greater than the first temperature;
- introducing solid material having a melting point which is lower than the first temperature and a boiling point which is lower than the second temperature to the heated melt-down zone;
- flowing molten material from the melt-down zone to the evaporator zone through a heating zone;
- releasing vaporized material from the evaporator zone;
- and
- guiding vapours outgassed from molten material within the heating zone away from the evaporator zone.
4 more elements
Dependencies are inferred from the claim text.