METHOD OF TOMOGRAPHIC CHECK Russian patent published in 1997 - IPC

Abstract RU 2097748 C1

FIELD: examination and analysis of materials. SUBSTANCE: object being checked is moved by scanner and irradiated with fanshaped radiation beam, radiation passed through object is recorded by means of detector matrix. To obtain more detailed tomogram of local region inside object, number of operating detectors in matrix is reduced. This done, slow scanning is performed with scanning step decreased by K = D/D_l times, where D is size of object being checked; D_l is size of local region. Detector reading time is reduced by K times. EFFECT: higher check results. 1 dwg

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RU 2 097 748 C1

Authors

Maklashevskij V.Ja.

Parnasov V.S.

Filinov V.N.

Dates

1997-11-27—Published

1994-03-16—Filed