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Micro asymmetric ceramic electrode plug

A ceramic electrode, asymmetrical technology, applied in the direction of weapon accessories, fuzes, offensive equipment, etc., to achieve the effect of good firing reliability, small structural size, and high structural connection force

Inactive Publication Date: 2014-01-08
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is undoubtedly a huge challenge to rely on the technical level of the existing EPD design for such a combination of size and ignition performance parameters.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] combine Figure 1-3 According to the specific size of the ceramic electrode plug, the processing mold is designed, wherein the diameter of the ceramic electrode plug is 2.0-2.2mm, the height is 1.0-1.2mm, the short side length of the trapezoidal groove is 0.55-0.6mm, and the long side length is 0.6-0.7mm mm, the side height is 0.5~0.6mm, the groove depth is 0.6mm, the long side is located on or near the symmetrical center line of the electrode plug, the diameter of the two legs is 0.3~0.4mm, the pole distance is 0.6~0.8mm, and the diameter of the head is 0.45mm, the distance between the center line of the two legs and the center of the electrode plug is 0.3~0.5mm.

[0020] The grouting method is used to add an appropriate amount of water and a small amount of electrolyte to the ceramic powder to form a relatively stable slurry, inject the slurry into the metal mold, remove the water, and achieve molding. A good slurry has good fluidity, sufficiently small viscosity, go...

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Abstract

The invention discloses a micro asymmetric ceramic electrode plug. Compared with a traditional symmetric electrode plug with simple structure, the micro asymmetric electrode plug comprises a ceramic base body, a ladder-shaped groove and heading leg wires; ceramic powder materials are made into a finished product of an electrode plug through processes of mould forming, sintering, heading leg wire brazing and sealing and the like; the micro asymmetric ceramic electrode plug is suitable for being filled with a thin film type energy conversion element chip with the length of not more than 0.5mm, the width of not more than 0.5mm and the height of not more than 0.5mm; the micro asymmetric ceramic electrode plug has requirements on minimization of diameter and height and maintenance of structural strength and electric insulation strength under the condition that the electrode plug has a basic function of the traditional electrode plug; a force of connection between the electrode plug and each leg wire is not less than 50N and the antistatic value is not less than 1.9kV; compared with a firing assembly comprising a semiconductor bridge transduction element and an energetic material, the micro asymmetric ceramic electrode plug has the characteristics of low firing energy, short action time, good action consistency and good antistatic and anti-radio frequency capabilities, and is suitable for a microelectromechanical system.

Description

Technical field [0001] The patent of the present invention relates to a special electrode plug for miniature electric pyrotechnic products, especially for use in miniature pyrotechnic products that can reliably ignite under the conditions of low ignition voltage and low electric energy input. Background technique [0002] Ignition components for MEMS include transducer elements, energetic materials, and electrode plugs. The electrode plug is the structural part of the transducer package and connected to the external circuit. It is the core component that determines the size and performance of the ignition component. The function of the electrode plug is to combine structural parts, fixed transducer elements, electrical insulation, anti-static Density, heat sink, reflection ignition energy and other functions. [0003] At present, the types of electrode plugs mainly include plastic electrode plugs, PCB electrode plugs, glass electrode plugs and ceramic electrode plugs. "Des...

Claims

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Application Information

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IPC IPC(8): F42C19/12
Inventor 严楠王刚曾雅琴何爱军熊振刘丽娟娄文忠焦清介
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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