Pitting

Small holes or sharp edges on the surface of a solder joint generally caused by flux entrapment, oxidation or over-heating.

Pitting

Pit

A depression in the conductive layer that does not penetrate entirely through it.

Pit

Pink Ring

Chemically-induced fracturing or de-lamination on or below the surface of the base material; it is usually exhibited by a light area around holes, other etched areas or both.

Pink Ring

Pinholes

Small imperfection which penetrate entirely through the conductor and/or solder.

Pinholes

Pinhole

A minute hole through a layer of pattern.

Pinhole

Pin

A terminal on a component. A component lead that is not readily formable without being damaged.

Pin

Pin Density

The quantity of pins on a printed board per unit area.

Pin Density

Pilot Hole

See Locating Hole.

Pilot Hole

PIH Assembly

Pin-in-hole a printed board assembly made up of components with leads which pass through holes in the board and lands. Synonyms: traditional assembly, conventional assembly.

PIH Assembly

Pick-and-place Machine

A programmable machine usually with a robot arm for picking components from a feeder. It moves the part for placement and/or insertion to a specific site on the board.

Pick-and-place Machine

Physical Layer

A conductive board layer or artwork image representing a complete conductive layer.

Physical Layer

Photoplotter

A plotter that writes using light.

Photoplotter

Photopolymer

A polymer that changes characteristics when exposed to light of a specific frequency.

Photopolymer

Photomaster

See Artwork Master.

Photomaster

Permanent Mask

A resist which is not removed after processing, e.g., plating resist used in the fully-additive process.

Permanent Mask

Peel Strength

The force per unit width required to peel the conductor or foil from the base material.

Peel Strength

PEC

Printed Electronic Component.

PEC

PCB

Printed Circuit Board.

PCB

Pattern

The configuration of all conductive and/or non-conductive areas on a PCB. Letters and inscription may also be included. Pattern also denotes the circuit configuration on related tools, drawing and mas...

Pattern

Pattern Plating

 Selective plating of a conducive pattern.

Pattern Plating

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Ranking Name Answers
1 _ Floppy Lab 4
2 PCBWay Team 3
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