File:Coolidge xray tube.jpg
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Summary
Photo of a Coolidge x-ray tube, from the early 1900s. The cathode is on the left, heated by a separate current passing through a filament, which releases electrons into the tube. The anode target is on the right. A high voltage of several thousand volts applied between the cathode and anode accelerates the electrons into a beam which strikes the anode, generating x-rays. The surface of the anode is angled so the x-rays are emitted in a downward direction, through the side of the tube. Alterations: rotated image 90° clockwise, cropped out frame
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:36, 8 January 2017 | | 1,076 × 412 (116 KB) | 127.0.0.1 (talk) | <p>Photo of a Coolidge x-ray tube, from the early 1900s. The cathode is on the left, heated by a separate current passing through a filament, which releases electrons into the tube. The anode target is on the right. A high voltage of several thousand volts applied between the cathode and anode accelerates the electrons into a beam which strikes the anode, generating x-rays. The surface of the anode is angled so the x-rays are emitted in a downward direction, through the side of the tube. Alterations: rotated image 90° clockwise, cropped out frame </p> |
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