Bubbler cylinder and dip tube device

Details Bubbler cylinder and dip tube device Bubbler cylinder and dip tube device

1982-12-09

1985-03-26

Rolla, Joseph J.

Dispensing

Fluid flow discharge

406142, B65D 8300

Patent

active

045068151

ABSTRACT:
An all welded square bottomed stainless steel cylinder and dip tube device for transferring by vapor deposition very reactive electronic grade organometallic liquid to a deposition system includes a top fill opening and inlet and outlet diaphragm valves, and is coated on the interior with PVF Teflon to several thousandths of an inch thickness. Contamination of the liquid is eliminated or at least substantially minimized since the device is stable in an upright position, the diaphragm valves each have a very small and inert area exposed to the liquid, and the coating serves as a barrier to contamination of the liquid by the metal of which the cylinder and dip tube are made.

REFERENCES:
patent: 1769904 (1930-07-01), Bagley
patent: 1892750 (1933-01-01), Rotheim
patent: 3179290 (1965-04-01), Whitney
patent: 3339811 (1967-09-01), Haag

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