3
AB 5010R
Electromagnetic Absorber for RFID Application
Product Description
3Μ ΑΒ5010R is magnetic sheet for radio
frequency application. 3Μ ΑΒ5010R is
designed to have a high magnetic permeability at
13.56MHz. This product effectively solve the
metal interference effect of tag and reader when
the metal surrounding atmosphere.
3Μ ΑΒ5010R consists of dark color magnetic
material layer and pressure-sensitive adhesive.
3Μ ΑΒ5010R is available in standard size and
custom widths and lengths. Standard size is
300mm X 100Meter in roll.
Applications
3Μ ΑΒ5010R is typically used for the
13.56MHz RFID reader and tag be mounted
directly upon a highly conductive surface. This
might be the reader antenna surrounded by
metallic body or tag mounting on conductive
substrate such as gas bottles. However, it is not
possible to communicate each other under this
metallic atmosphere. The magnetic fluxes through
the conductive surface induce eddy current within
the conductor, which oppose the field responsible
for their creation. It reduces the magnetic field in
the surface of the conductor to such a degree that
communication between reader and tag is no
longer possible. By inserting 3Μ ΑΒ5010R
between the antenna and conductor surface it is
possible to largely prevent the occurrences of the
eddy currents. This makes it possible to mount the
antenna on metal surfaces
AB5010R Effectiveness
Many factors determine the true communication
range such as antenna size, sensitivity, field
intensity, modulation algorithm and environment.
As shown in Fig. 2, just the simple inserting
AB5010R can increase communication distance.
To maximize the performance, it is necessary to
take into account the fact that the inductance of
antenna may be increased by AB5010R. So, it is
necessary to adjust the resonance frequency by the
change of capacitance and inductance value.
AB5010R – Typical Properties
Properties
Typical Value
Type of absorber material
Product Structure
Thickness
Magnetic particle embedded in polymer resin composite
Absorber sheet with one side double coated adhesive tape
Total 0.15mm (0.12mm absorber, 0.03mm adhesive layer)
Magnetic permeability 1
50 (Typical value)
Standard size
Resistivity 2
300mm X 100Meter
1x106Ω
Operating temperature
Tensile Strength 3
-30 ~ +85℃
4MPa(min.)
1. This value was measured with Agilent E4991A RF Impedance/Material analyzer
2. Test method is ASTM D257
3. Test method is JIS K6251
3M Electrical Markets Division
Fig.1 Real and Imaginary Part of Permeability, Permittivity with Frequency
60
12
εr'
40
10
µr'
8
30
6
µr''
20
εr''
10
0
4
1
Permittivity (εr)
Permeability (µr)
50
2
10
100
0
1000
Frequency [MHz]
Fig. 2 Data Communication Length between TRH031 Reader (3ALogics Inc.) and 14443A
Type Standard Card with Different Slotting Condition.
3M Electrical Markets Division
3M is a trademark of 3M.
Important Notice
All statements, technical information and
for a particular purpose which warranties are hereby
recommendations related to the Seller's products are
expressly disclaimed.
based on information believed to be reliable, but the
accuracy or completeness thereof is not guaranteed.
SELLER SHALL NOT BE LIABLE TO THE USER OR
Before utilizing the product, the user should determine
ANY OTHER PERSON UNDER ANY LEGAL THEORY,
the suitability of the product for its intended use. The user
INCLUDING BUT NOT LIMITED TO NEGLIGENCE OR
assumes all risks and liability whatsoever in connection
STRICT LIABILITY, FOR ANY INJURY OR FOR ANY
with such use.
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES SUSTAINED OR
Any statements or recommendations of the Seller, which
INCURRED BY REASON OF THE USE OF ANY OF
are not contained in the Seller’s current publications,
THE SELLER'S PRODUCTS THAT WERE DEFECTIVE.
shall have no force or effect unless contained in an
agreement signed by an authorized officer of the Seller.
The statements contained herein are made in lieu of all
warranties, expressed or implied, including but not limited
to the implied warranties of merchantability and fitness
Electrical Products Division
6801 River Place Blvd.
Austin, TX 78726-9000
http://www.3m.com/elpd © 3M 2003
3M Electrical Markets Division
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