Ark Electronics

Ark is an electronics contract manufacturing and engineering design company serving leading consumer electronics, mobile communications, automotive.

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Q: What is an IS?
A: Intrinsic Safety. Protection techniques for safe operation of electronic equipment in dangerous areas by limiting the energy available for ignition.

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Q: What is a lead frame?
A: A common type of chip package utilizing metal leads, and providing external terminals and mechanical support to align them. This metal structure carries electrical signals from the die to the outside

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Q: What is the MDA?
A: Manufacturer Defect Analysis. A straightforward test to reveal manufacturing defects.

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Q: What is the Placement rate?
A: The speed of a complete component placement cycle beginning with component/part pick-up, move to the placement site and the return to the feeding source.

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Q: What is the Turnkey Assembly?
A: The manufacturer provides the entire manufacturing process of a product, from design to production to final assembly.

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Q: What is Datum Reference?
A: A defined point, line, or plane used to locate the pattern or layer for manufacturing, inspection, or for both purposes.

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Q: What is RMA?
A: Return Material Authorization. An agreement between customer and supplier allowing the customer to return goods for a refund during the warranty period.

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Q: What is MTBF?
A: Mean time between failure. The statistical average time interval, usually in hours, to be expected between operating unit failures.

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Q: What is the Copper Weight?
A: This term is used to indicate thickness of copper foil on each layer of a PCB. It's typically expressed in ounces of copper per square foot.

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Q: What is BT/ Epoxy?
A: The blending of bismaleimide / triazine and epoxy resin provides enhanced thermal, mechanical and electrical performance over standard epoxy systems.

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Q: What is a Dendritic growth?
A: A branching of solder filaments ("whiskers") at interconnect sites because of the presence of moisture or electrical bias, threatening an electrical short.

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Q: What is the Conformal coating?
A: An insulated protective coating that conforms to the components and is applied on the completed board assembly

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Q: What is the Yield?
A: The ratio of good assemblies at the end of processing to the number initially entered.

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Q: What is the Step-and-Repeat method?
A: A method by which successive copies of a single image are made to produce a multiple-up filling the panel.

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Q: What does Schematic means?
A: A technical drawing that illustrates the connections between PCB components. Schematics will often include abstract representations of components instead of pictures and is an important first step in PCB design.

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Q: What is the Reflow soldering?
A: A process of joining metallic surfaces through the mass heating/coolingof preplaced solder paste between two surfaces (i.e., component leads and PCB pads).

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Q: What is NRE?
A: Non-Recurring Engineering. One-time costs associated with engineering work at the beginning of production.

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Q: What is a Bow?
A: the measurement of flatness of a circuit board, between corners and the center.

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Q: What is an ASCII File?
A: Simple, text-based file format. Great for communicating design information for manufacturing a PCB.

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Q: What is a Breakover voltage?
A: Minimum voltage required to cause a DIAC to break down and conduct.

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