UHF RFID PCB Tags - PCB- · PDF fileUHF RFID PCB Tags Creating ... scalable and flexible...
Transcript of UHF RFID PCB Tags - PCB- · PDF fileUHF RFID PCB Tags Creating ... scalable and flexible...
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UHF RFID
PCB Tags
Creating & Protecting
Value in Electronics
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2
In the beginning there was…
MAGICSTRAP®
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How can I solve my problems?
1. My product is copied by pirates
2. I need traceability
3. Problems with barcode labels
4. I want to reduce wrong deliveries
5. I want to reduce my stock
6. There are too many manual
operations in my process
7. ...
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By Adding Some Magic to Your PCB
Supply Chain Management
Anti-Counterfeit
Traceability
Add MAGICSTRAP® and your PCB will become a full RFID Tag!
Conventional PCB
without RFID tag
function
Smart PCB
with RFID tag function
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Your Product will Become Fully RFIDed
Anti-Counterfeit
Traceability Supply Chain
Management
MAGICSTRAP®
inside!
Example !
Portable RFID Reader
Access information inside the product over the whole supply chain!
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Title 6
Traceability
Transparency
Anti-Grey Channel
Anti-Counterfeit
Processcontrol
CS = Stakeholder Oriented Value Creation
WEEE Recycling
Stakeholders
CRM
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Introduction
What the heck is RFID???
Radio Frequency IDentification
A batteryless RF technology (UHF@860 – 960Mhz)
making objects smart (providing unique ID + some data)
able to cover distaces up to >5m
similar to a barcode label/datamatrix, but much better:
rewritable!
works also without optical connection (e.g. through
carton box, product housing)
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Introduction
Why UHF RFID for electronics???
Only UHF RFID is scalable enough and fits
best to PCB/electronics application able to cover distaces up to >5m but also short range
communication possible
HF limited to approx 0.5m
only UHF technology can cover all uses over the full value chain
HF RFID limited to process control / production
shorter wavelength of UHF results in minmal antenna space needed
on PCB
HF RFID wavelength nearly 70x that of UHF RFID !
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RFID System – Elements & Operation
3 Elements of an RFID System
Operation
& Antenna & Antenna
Reader /
Writer
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RFID System – Tag Elements
MAGICSTRAP®
is
a Tag Component
IC 樹脂
Tag/Inlay
Antenna
(Cu, Al, Sn
etc.)
(PET film etc.)
Strap
IC
Substrate
a
UHF - IC Module
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Introduction
What is the Magic of the
Magicstrap???
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Efficiently use existing metallization (e.g. ground plane) as antenna
Rethinking Tags: Reduce to the MAGICSTRAP®
Instead of adding problems & cost…
- expensive
- non standard process & materials
Tag/Inlay
Antenna
(Cu, Al, Sn
etc.)
(PET film
etc.)
…just add a standard
SMD component
- standard process
-RFID is globally stadardized
ISO, EPC Global
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What is inside of MAGICSTRAP® ?
- RFID IC
- Antenna filter: covers worldwide RFID frequencies (EU, US and Japan)
- Antenna matching circuit
- ESD protection (<2kV M.M.)
Environmental Friendly: 100% GREEN materials
Low Temperature Cofired Ceramics
LTCC RFID IC
Resin
3D multi-layer matching circuit
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Maximum efficiency: antenna matching included
The antenna only has to receive the incoming RF
All other functions provided by MAGICSTRAP®
IC
IC
Antenna trace
PCB
MAGICSTRAP®
How does MAGICSTRAP® work on a PCB?
Conventional Murata MAGICSTRAP®
Reception / reflection of RF wave Antenna
function
Antenna function
Impedance matching Antenna
function
Done by
MAGICSTRAP®
Fix center frequency and
bandwidth Antenna
function
Done by
MAGICSTRAP®
Internal matching circuit
* Patents pending
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How does MAGICSTRAP® work on PCB?
MAGICSTRAP® recognizes the PCB as a dipole antenna.
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4 Types of reference antenna on PCB
Type1 Type2 Type3 Type4
10
cm
4cm
0.7m 1.6m 3.6m 5m
MAGICSTRAP®
3.2x1.3cm
(4.2cm2) 1.2x1.0cm
(1.2cm2) 0.5x1.0cm
(0.5cm2)
0.5x0.5cm
(0.25cm2)
(at 4W EIRP, 915MHz, with 6dBi directivity antenna and circularly polarized wave)
Read range
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Read Range at High Power (4W EIRP)
0
1
2
3
4
5
6
5 10 15 20 25
Length "L" of PCB [cm]
Re
ad
Ra
ng
e[m
]
Type 1
Type2
3.2x1.3cm
(4.2cm 2)
1.2x1.0cm (1.2cm 2)
0.5x1.0cm
(0.5cm 2)
0.5x0.5cm
(0.25cm 2)
Type4
4W EIRP at 915MHz 1W output from 6dBi directivity antenna with circularly polarized wave
L
Type3
Change of board size will only affect communication range but not functionality
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Each of the above antenna designs requires a particular MAGICSTRAP® partnumber. Please make
sure that you order the correct corresponding part number.
Order Information
3.2x1.3cm
(4.2cm2) 1.2x1.0cm
(1.2cm2) 0.5x1.0cm
(0.5cm2)
0.5x0.5cm
(0.25cm2)
Type1 Type2 Type3 Type4
LXMS31ACNA-009 LXMS31ACNA-010 LXMS31ACNA-011 LXMS31ACNA-012
Corresponding MAGICSTRAP® Partnumbers
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The Magic Starterkit – Available Now!
A cooperation with
http://www.beta-estore.com/rkuk/order_product_details.html?wg=70&p=408
Contains
everything you
need to
immediately
explore Magicstrap
and the magic
values of RFID!
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Value Creation Process is Split in Seperate Steps
Production Logistics Distribution Point of Sales
& Marketing After
Market
Recycling R&D
Conventional PCB
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A tagged PCB will provide a consistent ID
Production Logistics Distribution Point of Sales
& Marketing After
Market
Recycling R&D
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The PCB-tag will connect all elements of the chain
Production Logistics Distribution Point of Sales
& Marketing After
Market
Recycling R&D
Production Logistics Distribution Point of Sales
& Marketing After
Market
Recycling R&D
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System Integration by Consortium Members
Enso Detego (Software System Integration)
Kathrein (Reader & Antenna Hardware)
Beta LAYOUT (Starter Kit, Prototypes, Inlays)
Murata (Tag Module Solutions)
Simply pick the elements you need for your RFID system. The consortium offers
scalable and flexible solutions over the whole chain. All members will help you to
identify your possibilities to create value using RFID.
Brooks (Hardware System Integration)
Production Logistics Distribution Point of Sales
& Marketing After
Market
Recycling R&D
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Process Integration = Value Creation
Anti-Counterfeit
Process Control
Shipment Control
Anti-Greymarket
Inventory Control CRM
Maintenance Prototype Management
The PCB becomes Backbone of the Value Chain
Anti-Counterfeit Lifecycle
Management
CRM
Production Logistics Distribution Point of Sales
& Marketing After
Market
Recycling R&D
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Title 25
Creating an Industry Standard
www.rfid-valuecreators.com
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Some more Magic
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Near Field Transmission with Loop Antenna
Easily control your process !
7mm+ read range Reader Loop Antenna Shape Read / Write
MAGICSTRAP® - The Smallest UHF Tag
No Additional Antenna on PCB Required!
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Magic Ranges
MAGICSTRAP®
Read Range
Loop Antenna of UHF-R/W
Output power
2.8mm10mW
7.8mm
1 W
100 mW
4.9mm
No external antenna connected!
2.0 x 1.2 x 0.6 max
EPC global C1G2
Partnumbers
LXMS31ACNA-012 (3.2 x 1.6mm) – in production
LXMS21NCNH-147 (2.0 x 1.2mm) – prototype, MP 2013
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Magic Ranges (on Metal!)
Loop Antenna of UHF-R/W
MAGICSTRAP® 10mW
5.2mm
1W
100 mW
1.4mm 2.9mm
Read Range (on Metal) Output power
No external antenna connected!
2.0 x 1.2 x 0.6 max
EPC global C1G2
Partnumbers
LXMS31ACNA-012 (3.2 x 1.6mm) – in production
LXMS21NCNH-147 (2.0 x 1.2mm) – prototype, MP 2013
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Available Short Range Readers
already connect to the antennaless Magicstrap!
All these standard readers and antennas:
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The Magic Behind
Contains Antenna Function for Short Range Communication!
LTCC RFID IC
Resin
3D multi-layer matching circuit
Environmental Friendly: 100% GREEN materials
Low Temperature Cofired Ceramics
Cross section of MAGICSTRAP ®
G2iM inside
Partnumbers
LXMS31ACNA-012 (3.2 x 1.6mm) – in production
LXMS21NCNH-147 (2.0 x 1.2mm) – prototype, MP 2013
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Magic Places
MAGICSTRAP®
Metallic Mold Tools
Medical
2.0 x 1.2 x 0.6 max
EPC global C1G2
Consumer Goods
Bolt
Equipment
…you could place your
RFID tag anywhere!
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Future Magic – Embedding Now!
1. Copy protection - perfectly invisible
2. Space saving
Embed MAGICSTRAP® into the PCB and make it invisible
A cooperation with
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Future Magic – Embedding Now!
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Embedded MAGICSTRAP (R) without booster Antenna
+ no layout modification needed + protection of Magicstrap (R) + cost efficient + very early use of RFID
o read/write range limited (< 2cm) - location limited to edge of PCB
© Gernot Seeger Beta LAYOUT GmbH SMT Hybrid Packaging 2012
Solution 1 - Antennaless
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Embedded MAGICSTRAP (R) with galvanic connection to booster antenna
+ protected + cost efficient + early use of RFID
+ ground plane can be used as antenna
+ long read/write range possible - integration in layout necessary - location limited to edge of PCB
Solution 2 – With Booster
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One Last Magic...
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The Magic Bridge – Magicstrap+ I²C
µC
UH
F A
nte
nn
a 01101001 I²C-Serial interface to µC
Applications
• Product Configuration
• Device customization
• Firmware downloads
• Return management
• Counterfeit protection
and authentication
• Production information
• Theft protection
and deterrence
• Production automation
• Shelf-life calculation
• Sensor applications
• Electronic shelf labels
Other Features (TBD)
• 3,328-bit user memory
• Dual front-end architecture
• Best-in-class RF sensitivity
• Up to 160-bit EPC
• 96-bit TID, including 48-bit
serial number
• EPCglobal 1.2.0 standard
• Switchable RF and
I2C interfaces
• Digital switch
• RF-to-I2C bridge mode
(handshake)
• Interrupt output
A cooperation with
38
UH
F R
FID
wir
ele
ss in
terf
ace
LXMS2HACNF-138
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The Magic Starterkit – Available Now!
A cooperation with
http://www.beta-estore.com/rkuk/order_product_details.html?wg=70&p=408
Contains
everything you
need to
immediately
explore Magicstrap
and the magic
values of RFID!
![Page 40: UHF RFID PCB Tags - PCB- · PDF fileUHF RFID PCB Tags Creating ... scalable and flexible solutions over the whole chain. ... • Electronic shelf labels Other Features (TBD)](https://reader031.fdocuments.us/reader031/viewer/2022030408/5a87aba47f8b9a9f1b8decdb/html5/thumbnails/40.jpg)
Take a R(F)IDe with me…
http://www.murata.com/products/rfid/index.html [email protected]
And this is all just the beginning…
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Appendix
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Title 42
MAGICSTRAP®
How to use
mini PCB sample
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Basically Murata recommends to apply one of the 4 recommended antenna patterns to your PCB
when using the MAGICSTRAP®.
We understand that you might want to gather some practical experience or test possible
performance before touching the layout of your PCB and adding one of these patterns permanently.
Therefore we have developed a solution, which enables you to do first steps. We call this solution
mini PCB.
Easy estimation of tag performance
MAGICSTRAP®
3.2x1.3cm
(4.2cm2) 1.2x1.0cm
(1.2cm2) 0.5x1.0cm
(0.5cm2)
0.5x0.5cm
(0.25cm2)
Type1 Type2 Type3 Type4
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Magic mini PCB
• This isone of the mini PCBs which
consists of an antenna matching pattern
on which a MAGICSTRAP®is already
mounted. It has two terminals for the
connection to the ground plane of your
PCB.
Order here:
www.beta-layout.com
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There are three available types of mini PCB, corresponding to three of the four
recommended MAGICSTRAP® antenna patterns.
The four patterns form a compromise between board space requirement and
achieveable read range. That means, pattern 1 will require least board space but will
also show the smallest read range. Pattern 3 will give you bigger range.
Link to free antenna pattern
Type1 Type2 Type3 Type4
You can order these mini PCBs
from
www.beta-layout.com
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4 Types of reference antenna on PCB
Type1 Type2 Type3 Type4
10
cm
4cm
0.7m 1.6m 3.6m 5m
MAGICSTRAP®
3.2x1.3cm
(4.2cm2) 1.2x1.0cm
(1.2cm2) 0.5x1.0cm
(0.5cm2)
0.5x0.5cm
(0.25cm2)
(at 4W EIRP, 915MHz, with 6dBi directivity antenna and circularly polarized wave) Read range
These are the ranges you can reach with the 4 PCBs under the given specifics. R/W power and PCB
size and shape and should give you a first rough indication of the performance differences between
the 4 designs.
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1) Position where you plan to place
MAGICSTRAPTM at mass production
3) Remove
resist
2) mini PCB
4) Soldering
Please simply attach the mini PCB to your PCB.
This is an easy way to get a first estimation of RFID tag performance by using MAGICSTRAP® in
combination with one of the recommended antenna patterns.
The mini PCB should ideally used at the location, where you plan to later integrate the MAGICSTRAP®
antenna pattern in your layout.
How to apply the mini PCB
You can of course compare the
performance of different locations on
your PCB, if you place it differently on
additional PCBs.
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Finding the right location
MAGICSTRAP® should be mounted as close as possible to the middle of the PCB.
Maximum read range will be achieved in MAGICSTRAP® is mounted at the center of
the longer side of the PCB. The same is valid for the mounting position of the mini
PCB.
X
10cm
4cm
length X Read Range
[cm] [m]
5 3.6
2 2.5
1 1.6
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Example of horizontal attachment
(A) (B)
Both examples (A) and (B) will show similar sensitivity and polarity.
Mini PCBs are sensitive to the environment underneath, so please don’t place metal under
mini PCB or don’t stack mini PCB on main PCB.
Please DON’T stack on main PCB
Bad example
(a) (b)
(b)
Overlapping area
In case of attachment (A), please limit the overlapping area (a) to the minimum for
best perfomance. Moving the area (b) over the main PCB, will cause a shielding
effect and reduce the possible communication distance, worst case down to zero.
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Example of vertical attachment
(C)
You might also consider a vertical attachment of the mini PCB.
In this case, please keep the following points in mind.
-different polarization:
- mounting the mini PCB horizontally will result in a different polarization,
compared to mounting the MAGICSTRAP® directly on the PCB
- fragility:
- mounting the mini PCB vertically will be mechanically difficult to handle
- range:
- you might get a performance advantage compared to horizontal mounting
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Measurement Precautions
- Metal environment
- Please do not place the PCB with the connected mini PCB on or close to
metal. This will drastically reduce the read range performance and could lead
to not being able to communicate with the Magicstrap.
- Single Read
- In case you want to be sure to communicate with one MAGICSTRAP® only,
make sure that there is no other RFID Tag present in the field of your reader.
Due to the nature of UHF RFID, any tag in the field of the reader antenna will
be detected. If you want to test bulk read function of course, place as many
tags in the field as you want.
- Of course you can also ensure communication with one MAGICSTRAP®
when using its close coupling feature, which we call „antennaless“, while
using a reader with a loop antenna. For more details, pls see the application
notes called „antennaless“ MAGICSTRAP® and the relevant video on the
Murata website.
Please DON’T place on metal
Metal Bad example
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The results of the actual measurements with your board, should help you to determine which
pattern you should apply to your board. These antenna patterns will give you enough range in most
of the cases. In case you are not satisfied with the result or need a longer performance due to a
particular reason, an improvement can be achieved by a custom antenna design. (See also the
presentation of Dr. Iliev of Kathrein on our website). Please contact one of our partners for custom
antenna design support, if necessary.
Conclusion
MAGICSTRAP®
3.2x1.3cm
(4.2cm2) 1.2x1.0cm
(1.2cm2) 0.5x1.0cm
(0.5cm2)
0.5x0.5cm
(0.25cm2)
Type1 Type2 Type3 Type4
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Each of the above antenna designs requires a particular MAGICSTRAP® partnumber. Please make
sure that you order the correct corresponding part number.
Order Information
3.2x1.3cm
(4.2cm2) 1.2x1.0cm
(1.2cm2) 0.5x1.0cm
(0.5cm2)
0.5x0.5cm
(0.25cm2)
Type1 Type2 Type3 Type4
LXMS31ACNA-009 LXMS31ACNA-010 LXMS31ACNA-011 LXMS31ACNA-012
Corresponding MAGICSTRAP® Partnumbers
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For further information, please visit:
http://www.murata.com/products/rfid/index.html
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Auto ID Technologies
CONFIDENTIAL 55
RFID (Radio Frequency IDentification) is a way of Auto ID (automatic
identification) technologies such as Barcode, finger-printing, etc.etc..
Auto ID
RFID Passive LF
125kHz
HF
13.56MHz
UHF
860~960MHz
2.4GHz
Active
Barcode
2D code
Biometrics
Magnetic strips
OCR
Machine vision
Battery less
With Battery
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CONFIDENTIAL 56
Comparison RFID Frequencies
LF HF UHF 2.4G
Frequency ~135kHz
(usually 128kHz) 13.56MHz 860~960MHz 2.4GHz
Read range A few cm A few 10cm ~5m ~3m
Tag price Expensive Fair Good Could be cheap
but
Expensive
Infrastructure Fair Good Global
Standard Custom
Directivity Wide Wide-ish Wide Narrow
Antenna size Huge Big Small Very small
Useability on
PCB Bad Fair Very Good TBD
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1. Cost Saving
− Faster data capture (very short read time)
− Read multiple tags at once (>100 tags / s)
− Elimination of manual operation
2. Reliability
- Higher reading accuracy
- Less manual operations needed
3. Flexibility
- No visual connection needed: read through package!
- Information stored in MAGICSTRAP® can be altered
- Additional user memory available (e.g. indicate software version, maintenance
information…)
- Wide „Read“ angle
- Less space on PCB occupied (replace multiple Barcode Labels)
4. Simplicity
- One Standard accepted world wide (EPC Global)
RFID vs. Barcode
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Standardization – EPC global
1. 100% compatible to EPC Global C1G2 − Standard Product Number for World Wide use
− Compatible to any EPC Global C1G2 compliant equipment
− 240 bit EPC for serial#
2. Additional Memory – 512 bit - Freely add your own information (production date, version ID...)
- Keep your own numbering system internally
3. ISO 18000-6 compliant - UHF Air interface standardized
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Global Use – World Wide SCM
Cost Saving: One Tag for anywhere in the world!
Broad band coverage !