Xeroradiography

Xeroradiography ko sifaa ƴeewndo ranwiiji ɗo natal ɓanndu winndetee e kaayitaaji wonaa e filmo.  E nder ngool laawol, lefol selenium, gonngol e dow laylaytol ɓuuɓngol oksidaa aluminium, ina ɓuuɓna no feewi, tawa ina rewi heen yeeso skorotron. . Laawol ngol ko injenieer Doktoor Robert C. McMaster ƴetti ɗum e hitaande 1950..

No foton X-ray oo yanirta e ndeeɗoo ɓaleere selenium amorfe nii, charges ina njalta, ina yahdi e semmbe gonɗo e X-ray oo.  Ɗum waɗata ko e batte fotosintesis.  Ko heɓaa heen koo, e mbaadi peccitagol charge e dow lefol ngol, ina nodda ɓuuɓri toner, ndiin noon ina waɗee e lefol kaayitaaji kuutorteeɗi.  E ko feewti e rajooji gaadoraaɗi ɗii, ƴellitooɓe fotooje ngalaa haaju.  Ko ɗoon woni helmere xeroradiogaraafi ndee ;  'xero' firti ko yooro e ɗemngal Gerek.  Ina ɗaɓɓi ɓeydagol radiis.  E nder daartol, ina huutoree e mamogaraafi ko adii gargol mamogaraafi dijital.

Xeromamogaraafi ko sifaa ƴeewndo radiyogaraafi..

 Tuugnorgal