C-PAK PTE LTD, SINGAPORE                                                                                                                                                TECHNICAL INFORMATION

28 Sept 2005                                                                                                                                                                                                                            58-3

 

C-PAK TYPE CP58 PSA COVER  TAPE                                        

C-PAK TYPE CP58 PSA pressure-sensitive adhesive cover tape is transparent with antistatic coating on the underside.   Its self-adhesion seals for different materials of carrier tape.   Heat is not required and temperature control is not necessary. 

 

Construction:      0.025mm base film

                              0.022mm Pressure activated adhesive

                              0.0045 mm polyester film

Features:

·                  High transparency ----- Facilitate easy visual inspection

·                  Adhesive type ----- The tape can be removed & attached repeatedly to replace defective chips

              

* GENERAL PROPERTIES *

 

 

METHOD

VALUE

 

 

 

 

Tensile Strength

MD

ASTM D-882

9.7 kg/ mm2

 

 

 

 

Elongation

MD

ASTM D-882

>120 %

 

TD

 

>120 %

 

 

 

 

Haze

 

ASTM D-1003

<9%

 

 

 

 

Light Transmittance

 

ASTM D-1003

>80%

 

 

 

 

Surface Resistivity (Underside)

 

------------

1011 ohms/ sq Max

 

 

 

 

Surface Resistivity (Top side)

 

------------

1014 ohms/ sq

 

 

 

 

Tape Width (mm)

 

5.3          9.3          13.3       21.3               25.5       37.5       49.5

 

 

 

 

 

Adhesive Width (mm) x2

 

0.7          1.0          1.0          1.15               1.15       1.65       1.65

 

 

 

 

 

Width Tolerance

 

 

± 0.1 mm

 

 

 

 

Thickness

 

 

0.045 to 0.055 mm

 

 

 

 

Length

 

 

250 m, 500 m

 

 

 

 

Base Material

 

 

POLYESTER

 

 

 

 

Adhesion to Carrier Tape

 

EIA 481 (≤24mm width)

20 - 80g

 

 

               (≥32mm width)

30 - 100g

* Typical Value only

 

 

 

 

 

Standard Packing:

Cover tape is packed with HDPE  Film wafer inserts and a centering core in a clear plastic bag and placed between two end caps in a carton box.

 

Storage condition:

It should be stored indoors at room temperature (13- 28°C) and relative humidity 40%- 80% in its original packing. Please avoid direct sunlight and use on “ First in –First out ” basis.

 

Shelf Life:

It is recommended to be used within two years from the date of manufacture under the above standard storage conditions in its original packing.