PROCESS Presentation FOR TOSA

(Transmitter Optical Subassembly)

TOSA TO-CAN

TOSA

Prepared by: TX ZENG

7/20/2005

Product structureBarrelSubmount HeaderWindow capVCSELMPDStructure of ROSAProduction process

Part 1: TO-can process:

a.Die bonding.

b.Wire bonding.c.Seam sealing

d.LIV teste.Burn-in.

f.LIV test

Production process

Part 2: AA (Active alignment) process:

a.UV epoxy apply on the barrel.b.Active alignment.c.backfillingd.DC teste.TR test

9. Cure the epoxy in the oven.8. Fix a VCSEL on the submount.7. Apply a dot of epoxy on the submount.6. Cure the epoxy in the oven.5. Fix a PD on the header.4.Apply a dot epoxy on the submount.3.Cure the sample in the oven.2.Fix a submount on the header.1.Apply a dot epoxy on the header.TO-can process------die bondingMachine-----die bondingSmart scopeFilm expanderDie bonderUV box Epoxy roller DAGE TO-can process------Wire bonding1. Bond the gold wires according to the drawing.Machine-----Wire bondingSmart scopeWire bonderDAGE TO-can process------Seam sealing2. Load a header in the socket in the seam sealer.1. Load a window cap in the seam sealer.TO-can process------Seam sealing4. weld the window cap together with header.3. Lower down the window cap .Machine-----Seam sealingHelium pressurizing systemSeam sealerHelium leak detectorTO-can process------LIV test1. Load TO-can in the socket of testing PCB.2. Insert the PCB into the LIV tester.3. Chose the testing program.4. Perform testing automatically.Voltage(V)Power(mw)Current (mA)Machine-----LIV testLIV test systemTO-can process------Burn-in

1. Load TO-can in the socket of testing PCB.

2. Insert the PCB into the burn-in oven.

3. Set the test condition.

4. Perform burn-in for TO-CAN.

Machine-----Burn-inBurn-in ovenAA process------UV adhesive dispensing3. Apply another dot UV adhesive on opposite side.1. Load a barrel on the auto dispenser system.Machine-----UV adhesive dispensingAuto dispenser systemAA process------active alignment5. Unload the product from the station.4. UV cure.3. Active align at X,Y,Z directions.2. Load a TO-can on the alignment station.1. Load a barrel on the alignment station.Machine-----active alignmentActive alignment systemAA process------backfilling1. Hold a ROSA with fingers.3. Oven cure.2. Apply epoxy in the gap between TO-CAN and barrel.Machine-----backfillingBackfilling dispenser systemAA process------DC test

1. Load TO-can in the house for transceiver.2. Insert the TO-can in the DC test station.3. Input a current to drive the VCSEL.

4. Insert the ferrule of the connector into the barrel.5. Record the power output from the fiber.

Machine-----AC testDC testing systemAA process------TR test

1. Insert TO-can in PCB socket.

2. Insert the PCB into the testing machine socket.3. Set the testing condition according related document.4. Perform testing at room temperature.5. Perform testing at high temperature(70degC).6. Calculate the TE value with the software.

Machine-----TR testTR testing systemThis is the ENDThanks