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- Timeline of invention (28171 bytes)
365: * [[1905]]: [[Radio tube diode]]: [[John Ambrose Fleming]]
484: * [[1962]]: [[Light-emitting diode]]: [[Nick_Holonyak]] - List of inventors (14020 bytes)
84: ...leming]], (1848-1945), [[England]] — vacuum diode - Capacitor (29664 bytes)
72: ...al, the dielectric in electrolytic capacitors depends on the formation and maintenance of a microscopic...
84: ... [[aerogel]] capacitor. Huge values, up to thousands of farads. Similar to supercapacitors, but using...
91: ... capacitance diode]]s, varactors or varicaps. Any diode exhibits this effect, but devices specifically so...
101: ...EDLCs have capacitances of hundreds or even thousands of farads. For example, the Korean company NessCa...
103: ...ed. They can also be recharged hundreds of thousands of times, unlike conventional batteries which las... - Computer mouse (29399 bytes)
19: ...o settled on the modern technique of using both hands to type on a full-size QWERTY keyboard and grabbi...
21: ...ion of Professor [[Jean-Daniel Nicoud]] and the hands of [[engineer]] and [[watchmaker]] [[André ‡uigna...
24: ... on its underside, paired with a [[light-emitting diode]] to illuminate the surface. Early optical mice,...
39: ...pically draws 25mA to power an [[LED]] or [[laser diode]]. Older optical wireless mice can draw even mor...
124: ...t from the regular mice that is operated by the hands, other mouse variants exist. These cater to those... - Modem (21628 bytes)
3: ...nce received on the other side, converts those sounds back into 1s and 0s.
9: ...ans of transmitting analog signals, from driven [[diode]]s to [[radio]].
16: ... small controller that let the computer send commands to it to operate the phone line.
19: ...oupler]], a device with two rubber cups for the handset that converted between the audio signals and th...
21: ...it/s for reception, and 75 bit/s for sending commands back to the [[server]]s. - Antimony (9093 bytes)
136: ...[[semiconductor]] industry in the production of [[diode]]s, [[infrared]] detectors, and [[Hall effect|Hal...
145: ...oxide is the most important of the antimony compounds and is primarily used in flame-retardant formulat...
148: ...lennium_BC|3000 BC]] or earlier) in various compounds, and it was prized for its fine [[casting]] quali...
162: Antimony and many of its compounds are [[toxic]]. Clinically, antimony poisoning is ... - Arsenic (12497 bytes)
140: ...ms; yellow, black and grey. Arsenic and its compounds are used as [[pesticides]], [[herbicide]]s, [[ins...
143: ...has a garlic odor. Arsenic and some arsenic compounds can also [[sublimation (chemistry)|sublime]] upon...
150: ...th, and 20th centuries, a number of arsenic compounds have been used as medicines, including [[arsphena...
156: ...[[direct bandgap]], and so can be used in [[laser diode]]s and [[LED]]s to directly convert [[electricity...
178: The most important compounds of arsenic are white arsenic, its sulfide, Paris ... - Gallium (9500 bytes)
135: ...semiconductor]], most notably in [[light-emitting diode]]s (LEDs).
138: ...|conchoid]]ally like [[glass]]. Gallium metal expands by 3.1 percent when it solidifies, and therefore ...
147: ...semiconductor]] commonly used in [[light-emitting diode]]s).
150: ...vices (mostly [[laser diode]]s and light-emitting diodes) as the second largest end use. <br>
154: ...r mercury [[dental]] [[amalgam]]s, but such compounds have yet to see wide acceptance. Gallium added i... - Germanium (8776 bytes)
162: ...nium forms a large number of organometallic compounds and is an important [[semiconductor]] material us...
194: ...began replacing germanium in transistors, [[diode|diodes]], and rectifiers. Silicon has superior electric...
208: ...erium|bacteria]]. This property makes these compounds useful as chemotherapeutic agents. - Nitrogen (10073 bytes)
36: ...ving tissues. Nitrogen forms many important compounds such as [[ammonia]], [[nitric acid]], and [[cyani...
39: ...in its outer shell, so is trivalent in most compounds. Pure nitrogen is an unreactive colorless [[diat...
42: ...f [[electronic]] parts such as [[transistor]]s, [[diode]]s, and [[integrated circuit]]s, and is used in t...
46: ...portant in [[fertilizer]]. Nitrated organic compounds, such as [[nitroglycerin]] and [[trinitrotoluene]...
53: ...Lavoisier]] referred to it as ''azote'', which stands for ''without life''. - Rubidium (10211 bytes)
203: *Rubidium compounds are sometimes used in [[fireworks]] to give them ...
204: ...n include the ready availability of inexpensive [[diode laser]] light at the relevant [[wavelength]] and ...
216: ...le]]. During [[fractional crystallization]], Sr tends to become concentrated in [[plagioclase]], leavin... - Solar cell (27643 bytes)
1: ...ice consisting of a large-area [[p-n junction]] [[diode]], which, in the presence of [[sunlight]] is capa...
29: *'''CIS''' stands for general chalcogenide films of Cu(InxGa1-x)(Se...
49: ...d the "[[band gap]]". The allowed and forbidden bands of energy are explained by the theory of [[quantu...
51: ...hole|holes]]") are not involved in the covalent bonds of the crystal lattice, they are free to move aro...
56: ...alence band]], and is tightly bound in covalent bonds between neighbouring atoms, and hence unable to m...
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