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Source: IBM Ceramic Ball Grid Array Surface Mount Assembly and Rework solder bumps solder balls.
An ascii format used in a file which drives an NC Drill machine.
Vee or VEE or Vee A name for a power net meaning "voltage emitter usually -5V for ECL circuits.In a netlist, a node is described by a component reference desginator together with a pin number.The key word in this sense is exchangeable.V Valuable Final Artwork A term used in " Streamlined_PCB_Design Artwork for electronic circuits which have been laid out and documented in forms perfectly suited to the photo-imaging and numeric-controlled tooling processes of printed circuit manufacture.The creation of artwork for the manufacture of bare PCBs.(This percentage, expressed as a ratio, becomes the "Manhattan coefficient.The user reads the definition, sees a word that he doesn't understand, looks up that word, sees another word that he doesn't understand, looks up that one and.Lead pitches as small.5mm (0.020 are used.It cannot be divided without permanently destroying its intended electronic function.7 mils works better for a practical minimum line width.PWA Printed Wiring Assembly; same as PCB.
A DUT board (probe card) is used in automated testing of integrated circuits.
Embedded (Of a micro-processor(s or system controlled by such) Dedicated to doing one job or supporting one device and built into the product.
Any printed circuit designer will need a spec sheet for the particular manufacturer's part, as a brief descrition like "pqfp-160" pinknic discount code is inadequate to define the mechanical size and lead pitch of the part.Also called "component locator drawing." assembly house A manufacturing facility for attaching and soldering components to a printed circuit.Integrated circuit 1)miniaturized electronic circuit that has been manufactured as a chip ( die ).any number of characters and?Halsey/ Editorial Director; Macmillan Publishing Company, New York and Collier Macmillan Publishers, London.Lay up multiple printed circuits (called modules) into a sub-panel so that the sub-panel can be assembled as a unit.This is still a common format for output for CAD packages, and is still mandatory for old 24 aperture Gerber vector Photoplotters.Complete the required info* and you are registered!
Number of terms defined: 240 For hard-to-find words related to PCB Design and Manufacturing, please email me, John Walt Childers, CID: John Walt Childers, CID, and I will respond sooner or later with the term defined and update this glossary as well.
Used by an assembly house, this software inputs assembly data from a PCB CAM/CAD package, such as Gerber and BOM, as input and, using a pre-defined factory modeling system, outputs routing of components to machine programming points and assembly and inspection documentation.
Flip-chip A mounting approach in which the chip ( die ) is inverted and connected directly to the substrate rather than using the more common wire bonding technique.