cob(redirected from have a cob on)
Also found in: Dictionary, Thesaurus, Medical, Idioms.
1. a male swan
2. a thickset short-legged type of riding and draught horse
an archaic or dialect name for a gull esp the greater black-backed gull (Larus marinus)
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
To chip away waste material from an ore, using hand hammers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A mixture of straw, gravel, and unburnt clay; used esp. for walls.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
chip on boardA bare chip that is mounted directly onto the printed circuit board (PCB). After the wires are attached, a glob of epoxy or plastic is used to cover the chip and its connections. The tape automated bonding (TAB) process is used to place the chip on the board. See tape automated bonding.
|Chip On Board|
|The bare chip is adhered and wire bonded to the board, and an epoxy is poured over it to insulate and protect it. For illustrative purposes only, this picture shows a clear epoxy. (Image courtesy of Joseph Fjelstad.)|
|This side view shows how the wires connect the chip to the printed circuit board (PCB). (Image courtesy of Joseph Fjelstad.)|
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.