RFIDRFID

Presented by Brian Ng Chun Presented by Brian Ng Chun HengHeng

The Usage of RFID in Semiconductor Automation

Old System & Problem Old System & Problem IdentificationIdentification

Old system of lot tracking in Old system of lot tracking in Wafer Fabs (runsheet system)Wafer Fabs (runsheet system)

Problems of runsheet system :Problems of runsheet system :

- Human interventions- Human interventions

- Time Wastage- Time Wastage

- Errors (lost/misprocessed)- Errors (lost/misprocessed)

SolutionSolution

Replacing the old systemReplacing the old system Designing a new lot tracking systemDesigning a new lot tracking system RFID provides a feasible replacementRFID provides a feasible replacement

WHY RFID ?WHY RFID ? Doesn’t require HUMAN INTERVENTION!Doesn’t require HUMAN INTERVENTION! Easier to manage lots tracking/movementsEasier to manage lots tracking/movements Reduce particle generating sourceReduce particle generating source

What is RFID ?What is RFID ?

Radio Frequency Identification DeviceRadio Frequency Identification Device Transmission of “identity” wirelesslyTransmission of “identity” wirelessly Using Radio Waves.Using Radio Waves.

RFID and Barcodes RFID and Barcodes ComparisonComparison

PROPERTYPROPERTY BARCODESBARCODES RFIDRFID

Line of Sight Line of Sight RequiredRequired

YESYES NONO

Can be read in Can be read in Sunlight?Sunlight?

NO NO YESYES

Operator InvolvedOperator Involved YESYES NONO

Grease or GrimGrease or Grim AffectedAffected Not AffectedNot Affected

Aesthetic Aesthetic integration with integration with

product product

NONO YESYES

Additional memory Additional memory NONO 8Kbits (Max)8Kbits (Max)

In-situ read/write In-situ read/write capability capability

Read OnlyRead Only Read and WriteRead and Write

Encryption Encryption Possibility Possibility

NoNo YesYes

Multi-tag Multi-tag arbitrationarbitration

NoNo YesYes

RFID ComponentsRFID Components

Consist of 3 Basic ComponentsConsist of 3 Basic Components Transponder - Affixed to the Item Transponder - Affixed to the Item Reader Reader - Read/Write/Communicate - Read/Write/Communicate Data Center - Read and Store InformationData Center - Read and Store Information

RFID in Other UsagesRFID in Other Usages

Security – Access ControlsSecurity – Access Controls Anti-Theft SystemAnti-Theft System Tracking Hospital PatientsTracking Hospital Patients Running eventsRunning events Safety Crossing GuardsSafety Crossing Guards Parking LotsParking Lots Electronic PaymentsElectronic Payments

Questions?Questions?