Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1989-08-16
1990-04-24
Niebling, John F.
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
2041828, G01N 2728, G01N 2726, B01D 5702
Patent
active
049197843
ABSTRACT:
A spacer for an electrophoresis cassette of the type having front and rear plates, such as glass, with a gel material in the space between the plates in which electrophoresis separation is performed. The cassette includes a spacer between the plates in the form of a thin disk whose thickness is equal to the desired plate separation. A stud projects outwardly from the disk and is received in a hole in one of the plates to locate the stud. Preferably the stud is made of stainless steel.
REFERENCES:
patent: 3980540 (1976-09-01), Hoefer
patent: 4224134 (1980-09-01), Hoefer et al.
patent: 4325796 (1982-04-01), Hoefer et al.
patent: 4339327 (1982-07-01), Tyler
patent: 4560459 (1985-12-01), Hoefer
patent: 4576693 (1986-03-01), Kreisher et al.
patent: 4663015 (1987-05-01), Sleeter et al.
EG&G Inc.
Niebling John F.
Starsiak Jr. John S.
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