Process to seal housing components to contain low density gas

Details Process to seal housing components to contain low density gas Process to seal housing components to contain low density gas

2011-03-29

2011-03-29

Fletcher, III, William Phillip (Department: 1715)

Coating processes

Direct application of electrical, magnetic, wave, or...

Chemical vapor deposition

C427S294000, C427S295000, C427S318000, C427S386000, C427S388100, C427S407100, C427S410000

Reexamination Certificate

active

07914858

ABSTRACT:
A method and apparatus for sealing disk drive housing castings and the resulting housings. A housing component of a data storage device is placed in an environment of decreased pressure where a first tank that is an autoclave is pressurized at a selected pressure and the environment is a first tank that encloses the housing component. A second tank that is an autoclave is pressurized at substantially the same pressure as the first tank while the second tank is fluidically coupled to the first tank and encloses a sealant. The sealant is applied to a surface of the component when it is under decreased pressure by transferring the sealant from the first tank to the second tank. A pressure of at least one atmosphere is further applied so that a portion of the sealant contactingly permeates voids in the housing component before the sealant is subsequently cured.

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