The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 1997
Filed:
Jun. 09, 1994
Carlo Grilletto, San Carlos, CA (US);
David A Horine, Los Altos, CA (US);
Fujitsu Limited, , JP;
Abstract
A system for maintaining electronic components, such as integrated circuit chips, in a contaminant-free controlled atmosphere is disclosed. The components, which may be mounted on a multichip module, are housed in a sealed enclosure and a positive pressure of contaminant-free gas, such as pure nitrogen, is maintained within the enclosure. A source of pressurized gas, controllably connected to the enclosure is provided and, preferably, an exhaust valve is used to equalize the pressure in the enclosure when it is necessary to access the interior for purposes of maintenance or repair. Preferably, there is a control system which monitors and maintains the proper level of pressure within the enclosure and which may be used to periodically flush the enclosure. Also preferably, one or more canisters of getter material are attached to the enclosure for removing contaminants.