Soft x-ray source and method for manufacturing the same

Details Soft x-ray source and method for manufacturing the same Soft x-ray source and method for manufacturing the same

1978-12-05

1980-12-09

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

With lead wire or connector

313 60, 250492A, 427 65, 427160, H01J 3508

Patent

active

042387060

ABSTRACT:
There is disclosed a soft x-ray source comprising (a) a substrate formed of a thermally conductive material, such as copper or a copper alloy, which tends to generate predominantly hard x-rays upon the collision of an electron beam, (b) an intermediate layer formed on the substrate, the intermediate layer being at least one of rhodium, silver, palladium, and molybdenum, and (c) a silicon film formed on the intermediate layer. There is also disclosed an x-ray lithographic apparatus comprising (a) an electron beam source, (b) the soft x-ray source described above, and (c) means for irradiating an object with the emitted soft x-rays. The method for manufacturing the soft x-ray source comprises (a) preparing a substrate, (b) setting the substrate in a vacuum chamber, (c) introducing a gas or vapor-containing silicon in a vacuum chamber, and (d) forming a silicon film on the intermediate layer by generating a plasma within the vacuum chamber.

REFERENCES:
patent: 3694685 (1972-09-01), Houston
patent: 3721847 (1973-03-01), Terasawa
patent: 3892973 (1975-07-01), Coquin et al.
patent: 4119879 (1978-10-01), Devine, Jr.

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