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Surface contact rectifying diode

A technology of rectifying diodes and surface contact, which is applied in the direction of electrical components, circuits, semiconductor devices, etc., and can solve problems such as easy insertion of pins too deep, unstable welding, and affecting the service life of diodes

Inactive Publication Date: 2015-11-04
NANTONG MINICHIP MICRO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1) Pins are easily bent or broken;
[0005]2) The pins are easily inserted too deep when inlaying, resulting in unstable welding
[0006] These shortcomings have seriously affected the service life of the diode

Method used

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  • Surface contact rectifying diode

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Embodiment Construction

[0016] Such as figure 1 As shown, the surface contact rectifier diode of the present invention includes an anode lead (1), a cathode lead (2), an aluminum alloy electrode (3), a PN junction (4), a silicon N-type crystal (5), and a gold-antimony alloy layer (6) and bracket (7), the anode lead (1) is connected to the aluminum alloy electrode (3), the aluminum alloy electrode (3) is connected to the PN junction (4), and the PN junction (4 ) is connected to the silicon N-type crystal (5), the silicon N-type crystal (5) is connected to the gold-antimony alloy layer (6), and the gold-antimony alloy layer (6) is connected to the support (7), so The cathode lead (2) is also connected to the bracket (7), and the exterior of the anode lead (1) and the cathode lead (2) are covered with an adhesive layer (8) and a copper-nickel alloy layer (9) in sequence. A positioning block (10) is arranged on the anode lead wire (1) and the cathode lead wire (2).

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Abstract

The invention provides a surface contact rectifying diode. The surface contact rectifying diode comprises an anode lead (1), a cathode lead (2), an aluminum alloy electrode (3), a PN junction (4), a silicon N type crystal (5), a gold-antimony alloy layer (6) and a bracket (7), wherein the anode lead (1) is connected with the aluminum alloy electrode (3); the aluminum alloy electrode (3) is connected with the PN junction (4); the PN junction (4) is connected with the silicon N type crystal (5); the silicon N type crystal (5) is connected with the gold-antimony alloy layer (6); the gold-antimony alloy layer (6) is connected to the bracket (7); the cathode lead (2) is also connected to the bracket (7); and the anode lead (1) and the cathode lead (2) are coated with an adhesive layer (8) and a copper-nickel alloy layer (9) in sequence. The surface contact rectifying diode has the technical effects that (1) a pin is prevented from being bent or fractured; and (2) the pin is prevented from being inserted too deeply during embedding, and unstable welding is avoided.

Description

technical field [0001] The invention relates to a surface contact rectifier diode, which belongs to the technical field of semiconductors. Background technique [0002] Diode is one of the most commonly used electronic components. Its biggest characteristic is unidirectional conduction, that is, current can only flow from one direction of the diode. The function of the diode is a rectifier circuit, a detection circuit, a voltage stabilization circuit, and various modulation circuits. , are mainly composed of diodes, and their principles are very simple. It is precisely because of the invention of diodes and other components that we have the birth of our colorful electronic information world. [0003] The existing diodes have the following disadvantages: [0004] 1) The pins are easily bent or broken; [0005] 2) The pins are easy to be inserted too deep when inlaying, resulting in unstable welding. [0006] These shortcomings have seriously affected the service life ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L29/861H01L29/43
CPCH01L29/43H01L29/861
Inventor 周明
Owner NANTONG MINICHIP MICRO ELECTRONICS
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