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Company news

Application of Electromagnetic Shielding Film in Electrical Products

Time:2022-04-06Number:1468

 Transparent metal mesh filmIt is the product with the highest shielding effectiveness among shielding films. With the increasingly severe electromagnetic signal interference and higher requirements for shielding effectiveness, the new generation of metal mesh films have higher transparency and stronger shielding performance, which are characteristics that ITO conductive films cannot meet.

The production process of metal mesh film is relatively complex. The innovative principle of nano alloy wire conductive printing technology is adopted, and etching mesh technology is introduced, combined with display optimization mode, making nano mesh film the best choice for shielding windows and touch screens.

    Metal mesh shielding filmHigh transmittance and excellent electromagnetic shielding effectiveness; Good visual color tone of the window, without Moire interference fringes or rainbow patterns; Easy to composite paste; Customization of specifications, hardening treatment, adhesive treatment, etc. can be carried out according to specific technical design requirements to meet various electromagnetic compatibility requirements for shielding materials.

The application of transparent metal mesh shielding film includes high-resolution CRT displays, color displays, LCD and EL displays, etc. It can be used as a transparent electromagnetic wave shielding film for plasma TVs, conductive film for touch screens, anode for polymer and dye-sensitized solar cells, etc.

Product application areas

RFID electronic tag RF signal shielding.

Meet the EMC requirements of the product: reinforce the window shielding of displays, electronic shelters, communication electronic devices, etc;

In terms of electromagnetic interference and information leakage, display windows for various precision instruments and meters in the fields of communication and electronic information, as well as windows such as glass doors and windows in confidential rooms and shielded cabinets, are shielded;

In the field of electromagnetic radiation protection: various displays, mobile phones, desk lamps, microwave ovens, laboratory large instruments and equipment, and other electronic instruments and equipment that emit radiation to the human body;

Front filter screen of plasma television; Replacing conductive films in the field of touch screens;

Transparent conductive electrodes such as flexible thin-film solar cells, electronic paper, and flexible screens;


attribute

unit

PJT900

test method

Thickness

Insulation layer

μm

9

micrometer

Metal layer

μm

0.2

micrometer

Conductive layer

μm

6

micrometer

protective film

Top level

μm

52

micrometer

Bottom layer

μm

75

micrometer

Actual Thickness

Before compression

μm

15±2

micrometer

After compression

μm

15±2

micrometer

Peel off

ICA-CL PI

N/cm

> 7

IPC-TM650-2.4. 9

Grounding resistance

Ω

< 1

ASTM D-257

Shielding effect

dB

> 50

SJ20524-1995(10-3000MHZ)

Tin drift test

Pass/NG

Pass

IPC-TM-650,Method 2.4.13 Test B

Chemical resistance

Pass/NG

Pass

5% NaOH, 5% H2SO4, IPA (ultrasonic 60 ° C JO minutes)

Bending test (MIT: 0.38R, 100/100)

number of times

> 2,000

JIS C6471

Bending test (Slide: 0.65R, 100/100)

number of times

> 100,000

Sliding test

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