How is a metal glaze resistor made?
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How is a metal glaze resistor made?
Answer:
Metal glaze resistors are made by depositing a metal glaze mixture onto a ceramic substrate. This process involves several steps:1. Preparation of the ceramic substrate: The ceramic substrate is cleaned and prepared to receive the metal glaze. This ensures proper adhesion of the metal glaze to the substrate.2. Mixing of metal glaze materials: A mixture of finely ground metal oxides and glass binders is prepared. This mixture determines the resistive properties of the final resistor.3. Application of metal glaze: The metal glaze mixture is applied onto the ceramic substrate using a screen printing process. This process allows for precise control of the thickness and pattern of the metal glaze.4. Firing: The ceramic substrate with the metal glaze layer is fired in a kiln at high temperatures. This process melts the glass binders and fuses the metal particles to form a solid resistive layer.5. Trimming: After firing, the resistive layer is trimmed to achieve the desired resistance value. This can be done by laser trimming or mechanical trimming.6. Encapsulation: The resistor is encapsulated in a protective coating to prevent damage from external factors such as moisture and mechanical stress.By following these steps, a metal glaze resistor with precise resistance values and high reliability is produced.If you want to learn more, please visit our website.
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