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Schottky junction plane explosion switch used for exploding foil initiator and preparation method thereof

A technology of Schottky junction and detonator, which is applied in blasting barrels, offensive equipment, weapon accessories, etc. It can solve the problems of complex structure and manufacturing process, and the inability to realize the adjustable firing voltage of the trigger electrode, so as to achieve low production cost and low trigger voltage. The effect of low, small switch size

Inactive Publication Date: 2013-10-09
NANJING UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

(TransactionsonPowerElectronics2009(24):253-259), Baginski proposed a single-trigger switch structure, which is a three-dimensional layered structure consisting of a metal layer and a polymer insulating layer. The structure and manufacturing process are relatively complicated, and Neither of the above two structures can realize the adjustable ignition voltage of the trigger electrode.

Method used

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  • Schottky junction plane explosion switch used for exploding foil initiator and preparation method thereof
  • Schottky junction plane explosion switch used for exploding foil initiator and preparation method thereof
  • Schottky junction plane explosion switch used for exploding foil initiator and preparation method thereof

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Embodiment 1

[0030] A Schottky junction planar explosion switch for an explosive foil detonator, the switch includes a silicon-based substrate 1, a metal copper layer 2 and a Schottky junction bridge layer 7; the surface of the silicon-based substrate 1 Inwardly recessed to form a groove, the groove is divided into three by the partition line integrated with the overall structure of the silicon-based substrate 1, wherein the middle groove is a bridge-shaped structure with wide ends and a narrow middle, and the wide area is a bridge base, the narrow area is the bridge area; the grooves on both sides are symmetrical structures and symmetrical along the center line of the silicon base substrate; there is a layer of SiO on the silicon base to prevent leakage current 2 Insulation layer; a metal copper layer 2 matching the groove is placed in the groove, and the metal copper layer is divided into four pieces, which are respectively placed at the bridge bases of the grooves on both sides and the m...

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Abstract

The invention discloses a schottky junction plane explosion switch used for exploding foil initiator and a preparation method of the schottky junction plane explosion switch. The switch comprises a silica-based substrate, a SiO2 insulation layer on the silica-based substrate, a metallic copper layer and a schottky junction bridge zone layer. Compared with the prior art, the schottky junction plane explosion switch has the advantages that the switch is small in size and low in manufacturing cost, and by the utilization of a MEMS (micro electro mechanical system) technology, the switch is easy to integrate with a exploding foil initiation system to achieve microminiaturization of the exploding foil initiation system; the switch containing schottky junctions is low in trigger voltage and capable of resisting stray current and has certain safety, and the effect of controllable excitation energy is achieved through control over the number of the schottky junctions; the switch is a one-time effect device and meets the characteristics of one-time effect of the exploding foil initiation system, and in comparison with a traditional vacuum trigger switch, the usage rate of the switch is improved.

Description

technical field [0001] The invention relates to a high-power pulse switch, in particular to a Schottky junction plane explosion switch used for an explosion foil detonator and a preparation method thereof. Background technique [0002] Exploding Foil Initiator (Exploding Foil Initiator), because it does not contain sensitive energy-containing units, has the advantages of strong anti-electromagnetic interference and impact resistance, it is an extremely safe and reliable detonator, suitable for in-line explosion sequences, in insensitive ammunition It has broad application prospects. [0003] With the development of ammunition in the direction of miniaturization and intelligence, higher requirements are put forward for the detonation system matched with the shock plate detonator. For example, a general high-voltage switch has three electrodes, and there is a requirement to withstand a high voltage of 1KV-3KV between the two main electrodes. It is insulated by air or the swit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42B3/13H01T2/02
Inventor 朱朋胡博沈瑞琪叶迎华付帅李东乐梁振华
Owner NANJING UNIV OF SCI & TECH
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