Shiny Li Jan 28,2016 1814

Pit

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

Pit

Shiny Li Jan 28,2016 2674

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

Shiny Li Jan 28,2016 1427

Pinholes

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

Pinholes

Shiny Li Jan 28,2016 1295

Pinhole

A minute hole through a layer of pattern.

Pinhole

Shiny Li Jan 28,2016 1264

Pin

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

Pin

Shiny Li Jan 28,2016 2794

Pin Density

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

Pin Density

Shiny Li Jan 28,2016 2089

Pilot Hole

See Locating Hole.

Pilot Hole

Shiny Li Jan 28,2016 1320

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

Shiny Li Jan 28,2016 1203

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

Shiny Li Jan 28,2016 944

Physical Layer

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

Physical Layer

Shiny Li Jan 28,2016 1101

Photoplotter

A plotter that writes using light.

Photoplotter

Shiny Li Jan 28,2016 1164

Photopolymer

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

Photopolymer

Shiny Li Jan 28,2016 1014

Photomaster

See Artwork Master.

Photomaster

Shiny Li Jan 28,2016 978

Permanent Mask

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

Permanent Mask

Shiny Li Jan 28,2016 1544

Peel Strength

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

Peel Strength

Shiny Li Jan 28,2016 1174

PEC

Printed Electronic Component.

PEC

Shiny Li Jan 28,2016 915

PCB

Printed Circuit Board.

PCB

Shiny Li Jan 28,2016 953

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

Shiny Li Jan 28,2016 950

Pattern Plating

Selective plating of a conducive pattern.

Pattern Plating

Shiny Li Jan 28,2016 881

Parylene

A polymer resin (Polyparaxylense) that provides a thin, uniform coating on PCBs and components. It can be applied via vacuum for deposition on sharp edges and complex shapes.

Parylene