Bond Lift-off
A failure condition in which a lead is separated from its bonding surface.
Bond Interface
The common area between a lead and a land to which it has been terminated.
Board Thickness
The overall thickness of the base material and all conductive materials deposited thereon.
Board Density
A measure of the ratio of the area of the board used by parts to the total available area of the&nbs...
Blutter Coat
An external layer of resin over the reinforcing structure of base material.
Bluetooth
Bluetooth is a short-range (up to 10m) 2.4GHz wireless connectivity standard intended for such applications as wireless&...
Blow Hole
A void in the solder fillet caused by outgassing from the barrel of a plated through hole.(see also outgassing...
Blistering
A localized swelling and separation between any of the layers of a laminated base material, or between base ma...
Blister
De-lamination in the form of a localized swelling and separation between any of the Layers of a lamination bas...
Blind Via
A via that reaches only one layer beneath the outer layer on one side of a muti-layer board.
Bleeding
A condition in which liquid solder resist or rotation spreads larger than the defined apperture.
BGA
Ball Grid Array. Leadless array packaging technology in which solder balls are mounted to the underside of the ...
Bellows Contact
A connector contact which is a flat sprint folded to provide a uniform spring rate over the full tolerance ran...
Bed-of-Nails
A method of PCB testing involving a fixture containing a field of spring-loaded pins that are co-ordinated with&nbs...
Basic Wettability
The ease with which a metal or metal alloy can be wetted by molten solder.
Base Solderability
The ease with which a metal or metal alloy surface can be wetted by molten solder under minimum realistic ...
Base Material
The insulating material (either rigid or flexible ) as well as the copper foils bonded on one or both sid...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 11 |
| 2 | Jonathan Scher | 3 |
| 3 | Paul Hupman | 2 |
| 4 | Samarth Jiwarajka | 1 |
| 5 | Engineer | 1 |
| 6 | Ibrahim TKR | 1 |