An in-circuit test fixture to probe both sides of a PCB.
Shiny Li
Jan 20,2016
1043 views
(Adj). A condition of the base material to which a relatively thin layer or sheet of metal foil has been bonded at one or both of its sides, e.g. a metal clad base material.
Shiny Li
Jan 20,2016
468 views
A relatively thin layer or sheet of metal foil which is bonded to a laminate core to form the base material for printed circuits.
Shiny Li
Jan 20,2016
572 views
A crack in the plating extending around the entire circumference of a plated through-hole.
Shiny Li
Jan 20,2016
489 views
Generic term for volume tester of PCBs, such as bed-of-nails, footprint, guided probe, internal trace, loaded board, bare board and parts testing.
Shiny Li
Jan 20,2016
455 views
Large computer-based systems that test individual ICs, especially LSI and VLSI.
Shiny Li
Jan 20,2016
608 views
In this technology integrated circuits are glued and wire-bonded directly to printed circuit boards instead of first being packaged.
Shiny Li
Jan 20,2016
516 views
The chemical process for cleaning conductive surfaces exposed within a hole ( see also “ Etch-back ”).
Shiny Li
Jan 20,2016
494 views
A protective coating produced by the chemical reaction of a metal with a chemical solution.
Shiny Li
Jan 20,2016
484 views
Pen plots that are suitable for checking only. Pads are represented as circles and thick traces as rectangular outlines instead of filled-in artwork. This technique is used to enhance the transparency...
Shiny Li
Jan 20,2016
1788 views
The ratio of voltage to current in a propagating wave, i.e., the impedance which is offered to this wave at any point of the line. The characteristic impedance is expressed in ohms.
Shiny Li
Jan 20,2016
449 views
A corner which has been rounded or shaped to eliminate an otherwise sharp edge.
Shiny Li
Jan 20,2016
808 views
A chemical that speeds or changes the cure of a resin but does not become a part of the final product. Examples: hardeners, promoters, inhibitors.
Shiny Li
Jan 20,2016
706 views
Special sheet adhesive material used for bonding polyimide multi-layer boards and flexi-rigids ( similar to prepreg = B-Stages ).
Shiny Li
Jan 20,2016
520 views
A phenomenon of force adhesion and cohesion that prompts liquids ( molten solder) to flow against gravity between closely spaced solid surface, such as component leads and pads.
Shiny Li
Jan 20,2016
840 views
The electrical interaction between two conductors caused by the capacitance between them.
Shiny Li
Jan 20,2016
624 views
Computer-aided design is the use of special software tools to formulate printed circuit patterns. Computer-aided manufacturing translates such designs into actual products.
Shiny Li
Jan 20,2016
0 views
Computer-aided design that permits the interactive use of computers, programs and procedures in the design process. Decisions are made by the operator while the computer provides the data manipu...
Shiny Li
Jan 20,2016
469 views
A capacitor which provides a comparatively low impedance ac (alternating current ) around a circuit element.
Shiny Li
Jan 20,2016
452 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | Engineer | 1 |
| 3 | Stephen Newport | 1 |
