A selenium rectifier is a type of metal rectifier, invented in 1933. They were used in power supplies for electronic equipment and in high-current battery-charger...
9 KB (1,118 words) - 09:02, 15 June 2025
A metal rectifier is an early type of semiconductor rectifier in which the semiconductor is copper oxide, germanium or selenium. They were used in power...
6 KB (735 words) - 22:04, 23 December 2024
Diode (redirect from Silicon rectifiers)
They slowly lost market share beginning in the late 1940s due to selenium rectifier technology and then to semiconductor diodes during the 1960s. Today...
64 KB (7,336 words) - 22:38, 28 April 2025
Physically, rectifiers take a number of forms, including vacuum tube diodes, wet chemical cells, mercury-arc valves, stacks of copper and selenium oxide plates...
64 KB (8,984 words) - 19:27, 4 January 2025
tube rectifier was of inferior performance, as they typically had no IF amplifier tube, although some four-tube designs with a selenium rectifier in place...
20 KB (2,880 words) - 15:55, 4 April 2025
similar devices. Selenium's semiconductor properties found numerous other applications in electronics. The development of selenium rectifiers began during...
78 KB (10,154 words) - 13:20, 13 June 2025
rectifiers, thyratrons, ignitrons, and vacuum diodes. Solid-state technology was in its infancy, represented by copper oxide and selenium rectifiers....
4 KB (503 words) - 10:34, 3 January 2025
range of electronic devices, until beginning to be replaced by the selenium rectifier in the early 1930s and almost completely replaced by the semiconductor...
11 KB (1,405 words) - 06:34, 12 May 2025
but at the time the effect had no practical use. Power rectifiers, using copper oxide and selenium, were developed in the 1920s and became commercially...
47 KB (5,520 words) - 14:53, 20 June 2025
Signal Co., Ltd. provided combination units of a transformer and a selenium rectifier housed in a common cooling oil bath, the whole device bulky enough...
66 KB (6,026 words) - 17:50, 10 June 2025
value 1954 Start of Semikron semiconductor manufacturing: selenium rectifier plates and selenium surge voltage protective devices According to Semikron,...
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including Selenium rectifier and method of making it, Directly heated thermocouple, Photoresistive translating device, Selenium rectifier including tellurium...
19 KB (1,785 words) - 13:37, 13 December 2024
copper-oxide/selenium rectifier, or by an additional set of mechanical contacts (in which case the vibrator acts as a type of synchronous rectifier). The rectified...
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discovery of p–n junctions in Cu2O and silver sulphide photocells and selenium rectifiers. The modern theory of p-n junctions was elucidated by William Shockley...
19 KB (2,718 words) - 18:54, 12 June 2025
detection. Doping selenium semiconductors with thallium improves their performance, thus it is used in trace amounts in selenium rectifiers. Another application...
52 KB (5,779 words) - 14:36, 23 May 2025
stoves and rectifiers founded in 1935. In 1944, Dengen Kogyo Co., Ltd. was created by Dengensha to meet the high demand for selenium rectifiers for use by...
6 KB (537 words) - 16:55, 3 November 2024
known empirically in such devices as crystal radio detectors and selenium rectifiers. For instance, in 1885 Shelford Bidwell, and in 1930 the German scientist...
40 KB (5,211 words) - 03:21, 23 May 2025
oxide and selenium rectifier shops, electro-plating shop. The assembly and erection shops included wiring shops for signalling equipment, rectifier equipment...
9 KB (942 words) - 12:36, 30 October 2024
suitable for high voltage direct current power transmission. In 1933 selenium rectifiers were invented. Julius Edgar Lilienfeld proposed the concept of a...
62 KB (8,063 words) - 21:11, 24 May 2025
suitable for high voltage direct current power transmission. In 1933 selenium rectifiers were invented. HVDC converter Edwin James Houston; Arthur Edwin Kennelly...
43 KB (5,031 words) - 17:15, 15 June 2025
Model Motoring system. The Faller controller and the car had a small selenium rectifier on board so two cars could run independently on the same track on...
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area rectifier appeared around 1926 which consisted of a copper(I) oxide semiconductor thermally grown on a copper substrate. Subsequently, selenium films...
23 KB (2,601 words) - 15:14, 23 May 2025
high voltage direct current (HVDC) power transmission. In 1933, selenium rectifiers were invented. Transistor technology dates back to 1947, with the...
27 KB (3,143 words) - 11:38, 8 April 2025
1LN5, 1LA6, 1LN5, and 1LD5. Zenith used a selenium rectifier on later versions of the T/O, replacing rectifier tubes used on the earlier models. Inserting...
16 KB (2,021 words) - 00:21, 20 April 2025
transformer. metal rectifier A rectifier made from copper oxide or selenium; formerly widely used before development of silicon rectifiers. micro combined...
148 KB (19,294 words) - 14:03, 30 May 2025
Harnau" Großräschen, former Gleichrichterwerk Großräschen — selenium rectifiers and silicon rectifier diodes VEB Werk für Fernsehelektronik Berlin (WF) — CRTs...
35 KB (2,837 words) - 16:00, 15 April 2025
Thomas; Vesborg, Peter C. K. (2022). "Origin of photovoltaic losses in selenium solar cells with open-circuit voltages approaching 1 V". Journal of Materials...
54 KB (2,525 words) - 16:50, 24 May 2025
layer in solar cells of Cu2O and silver sulphide photocells and selenium rectifiers. In current terms, this was a discovery of p–n junctions around the...
3 KB (443 words) - 04:52, 29 December 2022
amplifier, using a basic cathodyne phase inverter, but did include a selenium rectifier in the bias circuit. The 5F10 was discontinued in 1961. The extremely...
5 KB (549 words) - 00:49, 10 November 2023
transformer – s-domain – SDTV – Segmentation (image processing) – Selenium rectifiers – Semiconductor device – Semiconductor fabrication – Semiconductor...
51 KB (3,721 words) - 19:35, 10 April 2025