Easily loaded and unloaded getter device for reducing...

Details Easily loaded and unloaded getter device for reducing... Easily loaded and unloaded getter device for reducing...

2005-02-22

2005-02-22

Talbot, Brian K. (Department: 1762)

Coating processes

Vacuum utilized prior to or during coating

C417S048000, C417S053000, C438S471000

Reexamination Certificate

active

06858254

ABSTRACT:
A getter device is shaped like a substrate used in a deposition process. Embodiments of the device include a powdered getter material coated onto one or both sides of a support with a narrow rim portion left uncoated so that the device can be manipulated by automatic handling equipment. A method for using the getter device includes providing a vacuum chamber and automatic handling equipment, loading the device into the chamber, reducing the chamber pressure to a desired value by using the getter device in conjunction with an external pump, removing the getter device and replacing it with a substrate, and depositing a thin film on the substrate. The getter device can be in an activated state when loaded into the chamber, or it can be activated after being loaded by employing heating equipment ordinarily used to heat substrates placed in the chamber. The getter material of the device may also be activated in a separate activation chamber before the getter device is loaded into the vacuum chamber.

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patent: 0 511 733 (1992-03-01), None
patent: WO 9402957 (1993-04-01), None

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