| 摘要 |
1,176,910. Photo-multipliers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 25 Nov., 1968 [28 Nov., 1967], No. 55812/68. Heading H1D. A photo-multiplier for detecting transient phenomena lasting a few nanoseconds, is provided with a resistance between an electrode and its associated connector pin to damp out oscillations. The resistance may be inside or outside the envelope and may be provided in the leads for the last two dynodes (Fig. 3, not shown) and possibly the anode as well (Fig. 4, not shown). |
