BAKABLE ULTRA-HIGH VACUUM VALVE

Patent · Tue Jul 10 00:00:00 EDT 1962

OSTI ID:4771031

Mark, J T; Gantz, I H

S>This patent relates to a valve useful in applications involving successively closing and opening a communication between a chamber evacuated to an ultra-high vacuum condition of the order of 10/sup -10/ millimeters of mercury and another chamber or the ambient. The valve is capable of withstanding extended baking at 450 deg C and repeated opening and closing without repiacement of the valve seat (approximately 200 cycle limit). The seal is formed by mutual interdiffusion weld, coerced by a pneumatic actuator. (AEC)

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-17-012417
• Assignee: U.S. Atomic Energy Commission
• Patent Number(s): US 3043323
• OSTI ID: 4771031
• Resource Relation: Other Information: Orig. Receipt Date: 31-DEC-63
• Country of Publication: United States
• Language: English

Related Subjects

ENGINEERING AND EQUIPMENT
PERFORMANCE
PNEUMATICS
VACUUM
VALVES