9706

9706 Datasheet

3M Electrically Conductive Adhesive Transfer Tape 9706

Part	Datasheet
9706	9706 (pdf)

Related Parts	Information
9706-12"X36YRD	9706-12"X36YRD

PDF Datasheet Preview
Technical Data June, 2008 3M Electrically Conductive Adhesive Transfer Tape 9706 Product Description 3M Electrically Conductive Adhesive Transfer Tape ECATT 9706 is a pressure sensitive adhesive PSA transfer tape with anisotropic electrical conductivity. The PSA matrix is filled with conductive particles which allow interconnection between substrates through the adhesive thickness the “Z-axis” but are spaced far enough apart for the product to be electrically insulating in the plane of the adhesive. The PSA tack properties and lack of any thermal curing make Tape 9706 easy to use in assembly operations. Tape 9706 electrically connects and adhesively bonds medium pitch flexible circuits with other flexible circuits flex , rigid printed circuit boards PCB or LCD screens. Tape 9706 offers good adhesion to common PCB substrates such as gold, FR-4 epoxy, Kapton polyimide and polyester films. Stable electrical performance in any flexible circuit interconnection application may require added mechanical reinforcement clamping or compressing in the bond area. Tape 9706 also electrically connects and adhesively bonds EMI/RFI shield and gaskets to metal frames and enclosures. The low contact resistance and tape construction result in good EMI performance. Tape 9706 can be applied as die cut parts or in roll form and has good adhesion to common EMI/RFI substrates such as, plated surfaces, stainless steel, and smooth gasket materials. Tape 9706 is a more surface aggressive ECATT on many substrates which will allow a higher level of adhesion build as measured via a peel adhesion test method and as compared to the 3M Electrically Conductive Adhesive Transfer Tapes 9703 or As Tape 9706 is a more aggressive ECATT tape, it is generally not compatible with Indium Tin Oxide ITO coatings or other easily corroded surfaces. Construction Property Adhesive Type Release Liners Approximate Thickness Adhesive Liners Value Filled Acrylic Pressure Sensitive Easy release liner = Silicone Treated Polycoated Kraft paper PCK Tight release liner = Silicone Treated Polyester liner PET 2 mil 50 µm PCK = 4 mil 100 µm PET = 2 mil 50 µm 3M Electrically Conductive Adhesive Transfer Tape 9706 Typical Physical Properties and Performance Characteristics Note The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Adhesive Properties: Peel Adhesion to Stainless Steel Test Method is based on a modified ASTM D3330, 12 ipm peel rate, 1 in. width, 2 mil PET backing, 180 degree Dwell Time Room Temperature 1 Hour 24 Hours 23°C 36 oz./in. N/cm 51 oz./in. N/cm Note Peel values will often be higher than noted above when using a non-PET backing. Different backing types effect the backing modulus, thickness and stiffness and these differences directly effect the peel test result value. As an example, a 2 mil aluminum backing will change the test value of the peel adhesion as the peel back angle at the interface will change due to the backing stiffness. A 2 mil aluminum backing would generally increase the peel values. Temperature Performance1 Application Use Temperatures -40 to +85°C in a properly designed end use application. See Note Application Storage Temperatures See “Shelf Life and Storage” comments. End user needs to qualify converted material for a broader storage environmental range. See also the Application section of this document Shelf Life and Storage Tape in roll form Shelf life 24 months from the date of manufacture when stored in original cartons at 21°C 70°F and 50% relative humidity. Electrical Properties: Insulation Resistance2,3 x 1014 ohms/square estimated based on 3M Electrically Conductive Adhesive Transfer Tape 9703 Contact Resistance3,4 < ohms 3M Test Method, Gold PI Flex onto Gold PCB, RT Initial R, 6 mm2 Current Carrying Capacity3,4 1 Amp/in2 estimate Minimum Gap5 15 mil mm

PDF Datasheet Preview

Technical Data

June, 2008
3M Electrically Conductive Adhesive Transfer Tape 9706

Product Description
3M Electrically Conductive Adhesive Transfer Tape ECATT 9706 is a pressure sensitive adhesive PSA transfer tape with anisotropic electrical conductivity. The PSA matrix is filled with conductive particles which allow interconnection between substrates through the adhesive thickness the “Z-axis” but are spaced far enough apart for the product to be electrically insulating in the plane of the adhesive. The PSA tack properties and lack of any thermal curing make Tape 9706 easy to use in assembly operations.

Tape 9706 electrically connects and adhesively bonds medium pitch flexible circuits with other flexible circuits flex , rigid printed circuit boards PCB or LCD screens. Tape 9706 offers good adhesion to common PCB substrates such as gold, FR-4 epoxy, Kapton polyimide and polyester films. Stable electrical performance in any flexible circuit interconnection application may require added mechanical reinforcement clamping or compressing in the bond area.

Tape 9706 also electrically connects and adhesively bonds EMI/RFI shield and gaskets to metal frames and enclosures. The low contact resistance and tape construction result in good EMI performance. Tape 9706 can be applied as die cut parts or in roll form and has good adhesion to common EMI/RFI substrates such as, plated surfaces, stainless steel, and smooth gasket materials.

Tape 9706 is a more surface aggressive ECATT on many substrates which will allow a higher level of adhesion build as measured via a peel adhesion test method and as compared to the 3M Electrically Conductive Adhesive Transfer Tapes 9703 or As Tape 9706 is a more aggressive ECATT tape, it is generally not compatible with Indium Tin Oxide ITO coatings or other easily corroded surfaces.

Construction

Property Adhesive Type Release Liners

Approximate Thickness Adhesive Liners

Value Filled Acrylic Pressure Sensitive Easy release liner = Silicone Treated Polycoated Kraft paper PCK Tight release liner = Silicone Treated Polyester liner PET
2 mil 50 µm PCK = 4 mil 100 µm PET = 2 mil 50 µm
3M Electrically Conductive Adhesive Transfer Tape 9706

Typical Physical Properties and Performance Characteristics

Note The following technical information and data should be considered representative or typical only and should not be
used for specification purposes.

Adhesive Properties:

Peel Adhesion to Stainless Steel Test Method is based on a modified ASTM D3330, 12 ipm peel rate, 1 in. width, 2 mil PET backing, 180 degree

Dwell Time Room Temperature
1 Hour
24 Hours
23°C
36 oz./in. N/cm
51 oz./in. N/cm

Note Peel values will often be higher than noted above when using a non-PET backing. Different backing types effect the backing modulus, thickness and stiffness and these differences directly effect the peel test result value. As an example, a 2 mil aluminum backing will change the test value of the peel adhesion as the peel back angle at the interface will change due to the backing stiffness. A 2 mil aluminum backing would generally increase the peel values.

Temperature Performance1

Application Use Temperatures -40 to +85°C in a properly designed end use application. See Note

Application Storage Temperatures See “Shelf Life and Storage” comments. End user needs to qualify converted material for a broader storage environmental range.

See also the Application section of this document

Shelf Life and Storage

Tape in roll form Shelf life 24 months from the date of manufacture when stored in original cartons at 21°C 70°F and 50% relative humidity.

Electrical Properties:

Insulation Resistance2,3
x 1014 ohms/square estimated based on 3M Electrically Conductive Adhesive Transfer Tape 9703

Contact Resistance3,4
< ohms 3M Test Method, Gold PI Flex onto Gold PCB, RT Initial R, 6 mm2

Current Carrying Capacity3,4
1 Amp/in2 estimate

Minimum Gap5
15 mil mm

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9706

9706 Datasheet

Datasheet ID: 9706 519633