wave heater
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Wave soldering — is a large scale soldering process by which electronic components are soldered to a printed circuit board (PCB) to form an electronic assembly. The name is derived from the use of waves of molten solder to attach metal components to the PCB. The… … Wikipedia
Infrared heater — An infrared heater is a body with a higher temperature which transfers energy to a body with a lower temperature through electromagnetic radiation. Depending on the temperature of the emitting body, the wavelength of the infrared radiation ranges … Wikipedia
List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Perm (hairstyle) — A permanent wave, commonly called a perm, is the chemical and/or thermal treatment of hair to produce waves or curls. The use of the word permanent is justified insofar as when the wave is permed, it remains so; however, as the hair grows, the… … Wikipedia
STS-121 — Infobox Space mission mission name = STS 121 insignia = STS 121 patch.png shuttle = Discovery crew members = 7 up, 6 down launch pad = LC 39B launch = July 4, 2006, 18:37:55 UTC landing = July 17, 2006, 13:14:43 UTC duration = 12 days 18 hours 37 … Wikipedia
High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project … Wikipedia
MythBusters (2009 season) — Country of origin Australia United States No. of episodes 23 (includes 3 specials) Broadcast Original channel … Wikipedia
MythBusters (2007 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel Discovery Channel … Wikipedia
Furnace — For other uses, see Furnace (disambiguation). Industrial Furnace from 1907 A furnace is a device used for heating. The name derives from Latin fornax, oven. In American English and Canadian English, the term furnace on its own is generally used… … Wikipedia
Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) … Wikipedia
