PCB drilling

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• Excellon file — In electronics manufacturing, an Excellon file is a text based file format which is used to control the actions of a CNC drilling machine, commonly used in the drilling of printed circuit boards (PCBs). The Excellon file format is a variant of… …   Wikipedia

• Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …   Wikipedia

• Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

• Printed circuit board milling — is the process of removing areas of copper from a sheet of printed circuit board material to recreate the pads, signal traces and structures according to patterns from a digital circuit board plan known as a layout file. Similar to the more… …   Wikipedia

• Schlumberger — Infobox Company company name = Schlumberger Limited company company type = Public (nyse|SLB) company slogan = Excellence in Execution foundation = 1927 location = Operates in 80+ countries. Incorporated in the Netherlands Antilles with principal… …   Wikipedia

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives — C.I.P. C.I.P. logo Formation 1914 Type standards organization Headquarters …   Wikipedia

• List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …   Wikipedia

• Maurice Hinchey — Member of the U.S. House of Representatives from New York s 22nd district Incumbent …   Wikipedia

• FR-4 — FR 4, an abbreviation for Flame Retardant 4, is a type of material used for making a printed circuit board (PCB). It describes the board itself with no copper covering. FR 4 meets the requirements of Underwriters Laboratories UL94 V0. The FR 4… …   Wikipedia

• DIY audio — An example of DIY audio: a functioning battery operated DAC (Digital to analog converter) before installation in a box case DIY Audio means do it yourself audio. Rather than buying a piece of possibly expensive audio equipment, such as a high end …   Wikipedia