Low-angle x-ray diffraction camera comprising releasably connected sections and adjustable beam apertures and stops

• US 3,327,114 A
• Filed: 06/23/1964
• Issued: 06/20/1967
• Est. Priority Date: 06/23/1964
• Status: Expired due to Term

• Current Assignee: Alfred F. Diorio, Frank Diorio
• Original Assignee: Alfred F. Diorio, Frank Diorio
• Inventors: Diorio, Alfred F., Diorio, Frank
• Application Number:
  US04/377,271
• Time in Patent Office: 1,092 Days
• US Class Current: 378/71
• CPC Class Codes: G01N 23/205 using diffraction cameras

Claims

1. A LOW-ANGLE X-RAY DIFFRACTION CAMERA COMPRISING IN COMBINATION A RIGID, ELONGATED HOUSING, SAID HOUSING COMPRISING AT LEAST TWO RELEASABLY CONNECTED SECTIONS, A FRONT APERTURE LOCATED AT A PREDETERMINED, FIXED POSITION NEAR ONE END OF SAID HOUSING, A DEFINING APERTURE LOCATED AT A SECOND PREDETERMINED, FIXED POSITION WITHIN SAID HOUSING, A GUARD APERTURE LOCATED AT THIRD PREDETERMINED, FIXED POSITION WITHIN SAID HOUSING, SAID APERTURES COOPERATING TO ELIMINATE X-RAYS ENTERING SAID FRONT APERTURE EXCEPT FOR A THIN, FLAT BAND OF SUBSTANTIALLY PARALLEL X-RAYS, A REMOVABLE SPECIMEN HOLDER LOCATED AT A FOURTH PREDETERMINED, FIXED POSITION WITHIN SAID HOUSING, SAID FOURTH POSITION BEING LOCATED NEAR THE POINT AT WHICH SAID TWO SECTIONS ARE RELEASABLY CONNECTED, SAID THIRD POSITION AND SAID FOURTH POSITION BEING SO RELATED AS TO PLACE SAID SPECIMEN HOLDER IN CLOSE PROXIMITY TO SAID GUARD APERTURE BUT SPACED THEREFROM, A BEAM-STOP LOCATED INTERMEDIATE SAID SPECIMEN HOLDER AND THE REAR END OF SAID HOUSING, SAID BEAM-STOP BEING AN ELONGATED MEMBER OF X-RAY OPAQUE MATERIAL DISPOSED WITH ITS ELONGATED DIMENSION PARALLEL WITH THE WIDTH OF SAID FLAT BAND OF X-RAYS AND IN POSITION TO INTERCEPT THE SAME, SAID BEAM-STOP BEING MOUNTED ON A BLOCK AND BEING CAPABLE OF LIMITED VERTICAL MOTION IN A CHANNEL MEMBER PROVIDED FOR THE SAME IN A MOUNT, SAID MOUNT BEING FIXEDLY POSITIONED IN SAID HOUSING, SAID BLOCK BEING PROVIDED WITH ADJUSTING MEANS FOR ADJUSTING ITS, POSITION IN SAID CHANNEL, AND A FACE OF SAID BEAM-STOP THAT INTERCEPTS SAID BAND OF X-RAYS BEING OF GENERALLY SLIGHTLY CONCAVE CURVATURE AND X-RAY SENSING MEANS, SAID SENSING MEANS BEING LOCATED NEAR THE REAR END OF SAID HOUSING.