Sheet 1380
Data Sheet
Product Description
High-µ Magnetic Shielding with
Thermosetting Rubber Adhesive
Applications
3M Sheet 1380 is typically used for applications
requiring excellent magnetic shielding properties
at low frequency. Common uses include magnetic
shielding at low frequency in mobile phone,
personal computer, CRT, etc.
3M™ High-µ Magnetic Shielding Sheet 1380
consists of a soft magnetic sheet sandwiched
between layers of PET polymer film and coated
with a unique pressure-sensitive thermosetting
rubber adhesive.
•
Soft magnetic sheet with excellent magnetic
shielding properties
•
Thin, flexible and lightweight magnetic shield
layer
•
2 layers of thin, flexible PET polymer film
•
Thermosetting rubber adhesive
•
Supplied on a removable liner for easy handling
and die-cutting
Please consult with sales representatives about custom
width and length.
Structure
Properties
1380 Sheet
Typical Values for Products
Grain-Oriented Silicon Steel
(as reference)
Total thickness (mm)
Thickness (mm)
Magnetic flux density (T)
Maximum magnetic permeability @ 50 Hz
Density (g/cc)
Resistivity (micro
Ω
·
meter)
0.3
0.02
1.23
100,000
7.3
1.2
0.35
Typical Values for Magnetic Layer
0.35
1.83
60,000 (@ DC)
7.65
0.48
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3M is a trademark of 3M Company.
Important Notice
Before using this product, you must evaluate it and determine if it is suitable for your intended application. You
assume all risks and liability associated with such use.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and
manufacture as of the date of purchase.
3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT
LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE.
If this product is defective within the warranty period stated above, your exclusive remedy shall be,
at 3M's option, to replace or repair the 3M product or refund the purchase price of the 3M product.
Except
where prohibited by law, 3M will not be liable for any loss or damage arising from this 3M product,
whether direct, Indirect, special, Incidental or consequential regardless of the legal theory asserted.
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
www.3M.com/electrical/oem
Litho in USA
© 3M 2004 78-8126-6598-8-A
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