Unlock instant, AI-driven research and patent intelligence for your innovation.

Metal box-lid connection device for shielding

A connection device and metal box technology, applied in the field of microelectronics, can solve the problems of electromagnetic wave leakage, many fixing screws, and metal particles produced by screws, etc., and achieve the effect of easy disassembly and reliable connection

Inactive Publication Date: 2006-10-25
四川中安恒科技有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This connection has the following disadvantages: 1. Because the side panel of the coil box needs to be disassembled frequently, the screws will slip after a period of time; 2. There are many fixing screws, and it takes time and effort to disassemble; 3. Because of the stress relationship, the aluminum plate always There is a certain degree of warping, even if the screws are screwed, there are still gaps, resulting in the leakage of electromagnetic waves; 4. The screws will produce metal particles during frequent loading and unloading, which will pollute the ultra-clean room environment

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Metal box-lid connection device for shielding
  • Metal box-lid connection device for shielding
  • Metal box-lid connection device for shielding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: Velcro includes loop-shaped wire 1 and hook-shaped wire 2, and its material is the wire with good elasticity, such as stainless steel wire; Use sintering or bonding book to be fixed on the periphery of metal box window 8 and the metal The periphery of box cover 9; During use, ring-shaped wire 1 and hook-shaped wire 2 are bonded, and only need to tear off simply when separating, just as convenient as using common sticky fasteners. The difference is that metalized Velcro can shield electromagnetic waves.

Embodiment 2

[0034] Embodiment 2: The sticky fastener includes magnetic materials 7 and metal shielding strips 5 , wherein the magnetic materials 7 and metal shielding strips 5 are alternately installed around the window 8 of the metal box. Metal box window 8 is positioned at metal box 3 side. Magnetic material cobalt, nickel or steel bars are installed around the metal box cover 6, and a handle 4 for easy disassembly is arranged. The metal shielding bar 5 is made of metal with elasticity and good electrical conductivity, such as aluminum and copper. The metal shielding bar 5 has toothed elastic pads, which are pressed down when the metal box cover 9 is combined with the metal box window 8, thereby ensuring that both Good electrical contact between parts. The teeth on the toothed elastic pad can be triangular, square or other geometric shapes.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Being related to area of micro electronic technology, specifically the invention discloses device for connecting cover of metal case in use for shielding electromagnetic wave. The device includes metal case, window of metal case, and cover of metal case. Thread gluing is setup between window of metal case and cover of metal case. Features are: easy of disassemble, reliable connection, and ensuring not leaking out electromagnetic wave, not polluting environment of ultra-clean chamber.

Description

technical field [0001] The invention relates to the technical field of microelectronics, in particular to a metal box cover connection device for shielding. Background technique [0002] In modern electronic equipment, it is often necessary to use metal boxes to shield electromagnetic fields so that certain circuits do not affect other equipment or be affected by other equipment. Generally speaking, the metal shielding box needs to have a window that can be opened for inspection of the internal circuit. The connection between the window cover and the shielding box generally adopts screws. However, in some occasions, this screw connection is not suitable, for example, in occasions where frequent disassembly is required and where cleanliness is highly required. [0003] In semiconductor etching equipment, it is necessary to use a coil with high-frequency current. The coil must be shielded by a metal box, and a maintenance window must be left on the shielding box. This window...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H05K9/00G12B17/02H01L21/00H05K5/02
Inventor 申浩南
Owner 四川中安恒科技有限公司