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The choice of high-end metal speaker grille
Metal speaker net made of aluminum alloy. As a breakthrough point, starting from the selection of aluminum alloy materials, the metal speaker mesh can already be achieved through the etching process, that is, chemical corrosion.
2020-07-01
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Selection of low-end metal speaker grille
Relatively low-end cold rolled steel metal trumpet mesh. The metal horn grille of cold-rolled steel is widely used in some early BBA models.
2020-06-23
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Two kinds of speaker nets for automotive interiors
At present, there are two kinds of speaker nets for automotive interiors, mainly plastic and metal. Among them, plastic speaker nets account for the vast majority.
2020-06-23
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What are the working principles of etching?
Usually referred to as etching or photochemical etching, it refers to removing the protective film of the area to be etched after exposure to plate making and development, and contacting the chemical solution during etching to achieve the effect of dissolving corrosion and forming irregularities or Hollow molding effect.
2020-06-20
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Common EMI/RFI materials
Metal foil tape: Relatively easy to manufacture. The use of aluminum foil and copper foil backing tape provides excellent shielding performance without expensive metal plating on the case.
2020-06-20
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Shielding material protects sensitive components from EMI and RFI
Electronic equipment manufacturers usually use electromagnetic interference (EMI) and radio frequency interference (RFI) shielding measures to protect sensitive digital circuits from external radiation, and also limit the potentially harmful radiation emitted by their products.
2020-06-15
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