Mammography method and improved mammography X-ray tube

Details Mammography method and improved mammography X-ray tube Mammography method and improved mammography X-ray tube

1992-07-09

1994-04-12

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378113, 378136, 378138, H01J 3506

Patent

active

053032810

ABSTRACT:
A mammography X-ray tube providing increased X-ray intensity for shortening patient exposure times to eliminate motion artifacts. The cathode design permits superpositioning of electron beam from multiple filaments.

REFERENCES:
patent: 4764947 (1988-08-01), Lesensky
patent: 4823371 (1989-04-01), Grady
patent: 4825123 (1989-04-01), Franzel et al.
patent: 4866749 (1989-09-01), Uematu
patent: 4868842 (1989-09-01), Dowd
patent: 4894853 (1990-01-01), Dowd
patent: 5031200 (1991-07-01), Plessis et al.
patent: 5195112 (1993-03-01), Vincent et al.

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