DEVICE FOR DETECTING END OF DRY ETCHING PROCESS Russian patent published in 1997 - IPC

Abstract RU 2091905 C1

FIELD: microelectronics. SUBSTANCE: built-in device has built-in part and external part. Built-in part has ultraviolet radiation source, light filter, diaphragm, secondary electronic multiplier, and preamplifier. External part has power supplier for ultraviolet radiation source and for secondary electronic multiplier, and recording unit. Secondary electronic multiplier is mounted at maximum 40 mm from controlled entity at 45 deg. to beam axis of active particles. EFFECT: improved design. 2 cl, 2 dwg

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RU 2 091 905 C1

Authors

Dekhtjar Jurij Davidovich[Lv]

Kunitsin Anatolij Viktorovich[Lv]

Markelova Galina Nikolaevna[Ua]

Noskov Vladimir Aleksandrovich[Lv]

Sagalovich Gennadij L'Vovich[Lv]

Shnirman Marija Borisovna[Ru]

Dates

1997-09-27Published

1994-01-28Filed