Laser trimming of passive or active components, typically resistors, has become an indispensable tool for the production of microelectronic devices where high precision and performance is required. Laserod has provided laser trimming systems and services to scores of customers for nearly forty years.
Simply described, the laser trimming process modifies the value of a resistor by laser removing resistor film material in a specific manner at a specific location. Resistance value of a film resistor is determined by its geometric dimensions. A lateral laser cut in the resistor narrows or lengthens the current flow path and increases the resistance value.
Passive Trimming is the adjustment of a resistor to a given value to increase its resistance. During the trimming process, the resistance or capacitance is monitored across the component until the target value is reached.
Active Trimming is the removal of material from a component to change a circuit parameter while the circuit is functioning. Parameters monitored are voltage, current, period, frequency.
Xometry offers a high quality metal laser cutting service. Our metal laser cutting services support a variety of metal materials, including: Steel, Stainless Steel, Tool Steel, Spring Steel, Aluminum, Brass, Bronze, Copper, and Titanium. Our laser cutting machines use both fiber lasers and CO2 lasers and can cut through up to 4 inches of metal material. Xometry offers instant quotes on metal laser cutting services, and free shipping on orders in the US.
For more information see our Metal Laser Cutting Service page, or simply Start a Quote Now.
For a list of the metal materials supported by Xometry's metal laser cutting service, see below. Other materials may also be available for quote.
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Our plastic laser cutting services support a variety of plastic materials, including: Acrylic, Foam, and Elastomer. Our laser cutting machines use both fiber lasers and CO2 lasers and can cut through up to 4 inches of plastic material.
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Xometry offers a high quality Acrylic Laser Cutting service. We offer clear (transparent) acrylic materials, as well as a variety of colors. Advantages of laser cutting with acrylic include strength, easy of use, transparency, and waterproof/moisture resistance.
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Xometry offers a high quality Wood Laser Cutting service. We offer a variety of wood materials including Cherry Hardwood, Hardboard, MDF, Poplar Hardwood, Red Oak Hardwood, Uncoated Wood Laminate (Plywood), Chipboard, and Birch.
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Alternatives to Laser Cutting for sheet cutting projections include waterjet cutting services and plasma cutting services. Laser Cutting has limitations on the thickness of the material being cut. Laser cutting can cut up to 4 inches of material. For materials thicker than 4 inches, use waterjet cutting or plasma cutting services.
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