Hitachi Chemical Co. America, Ltd.

RM Series

RM-4100 reduces the flash burr in molding QFN etc. package.

Features

  • Flat molding surface can be given, because of reducing the wrinkle in loading the sheet and in clamping the mold.
  • The surface layer of special material sticks to the substrates and the terminals, etc.
  • Therefore the sheet protects the invasion of the epoxy molding compounds, the flash is prevented.

Molding Experiment Example

Characteristics (Typical Values)

Items

Unit

RM-4100

RM-4200

Composition
(Section)

Thickness of sheet

mm

0.04

0.05

Tensile Strength

MPa

40

40

Tensile Elongation

%

50

50

Standard Dimensions
(W x L)

mm

50~300x1000

50~300x2000

Product

Role (dia. approx. 12cm)

Surface of Film

Flat

Mat