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What is the minimum thickness of the laminate on which V-cut scoring can be applied?

26.09.2017
Łukasz Romik
comments (2)

V-cut scoring involves cutting the laminate to a certain depth (on one side or on both sides of the plate) to allow it to be later broken off from the panel. It is usually described with two parameters:

 

  1. Incision angle (standard 30°),
  2. Non-v-cut scoring thickness.

Thickness of the non-v-cut scoring item and the type of Non-v-cut scoring (single-or double-sided) is dependent on the thickness of the used base laminate. The dependencies are shown in the following table.

 

X [mm]

A [mm]

Comments

≥ 0.5; < 0.8

0.15

Single-sided V-cut scoring

≥ 0.8; < 2.4

0.3

Double-sided V-cut scoring

≥ 2.4

20% * X

Double-sided V-cut scoring

 
 
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21.12.2017
[TS PCB] Łukasz Romik
Thank you for your comment. Incision angle is always the same because we use one type of the blade. Parameter A (non-v-cut scoring) depends on the base material thicknes as it is shown in the table.
03.12.2017
Signality
Please clarify the relationship between the X and A dimensions and the two parameters: Incision angle (standard 30°), Non-v-cut scoring thickness. Thanks.
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22.11.2018

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