Online PCB Quote Terminology

Here you will find printed circuit board definitions found at InstantPCBQuote, our online PCB quote and ording tool.

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Part Number:

Your unique nomenclature assignment

Revision:

Your letter or number

Quantities:

Individual board quantities to be quoted. Do not use array quantity

Layers:

Number of layers in the PCB

X Dimension:

In inches, the most extreme measurement in the X axis of the individual PCB

Y Dimension:

In inches, the most extreme measurement in the Y axis of the individual PCB

Array:

Panelization configuration of individual PCBs

Array X Dimension:

In inches, the most extreme array measurement in the X axis, including any rails or borders

Array Y Dimension:

In inches, the most extreme array measurement in the Y axis, including any rails or borders

Number of Boards/Array:

Number of individual PCBs in the array configuration

Material Type:

Laminate used in PCB fabrication

Finish Plating:

Type of plating used in PCB fabrication

Thickness:

The total thickness of the board including all plating and final finishes

Copper Weight (Inner):

Copper thickness required on inner layer cores

Copper Weight (Outer):

Number of ounces of copper per square foot on outer layers

Min. Trace/Space:

Minimum trace width and spacing

Smallest Hole Size:

Smallest finished hole in mils

Soldermask:

Number of sides to mask

Soldermask Color:

Color of mask used to cover the PCB

Silkscreen:

Screened reference characters

Silkscreen Color:

Color of silkscreen ink printed on the board

Tab-Rout:

Tabs routed between each PCBs

Scoring:

V-groove cut into both the top and bottom of the PCB

ITAR:

Indicates board design data is regulated by the "International Traffic in Arms Regulations"

Plated Slots:

Elongated holes used for component placement

Counterbore:

A larger hole concentric with a smaller hole at a defined depth

Plated Edges:

Edges of the board plated with copper

Counter sink:

Beveled hole openings

Controlled Dielectric:

Specified thickness of the insulating layers between a signal and power or ground planes

Controlled Impedance:

Specifying the cross-sectional area of a trace(s) and dielectric spacing to achieve a specific resistance