LHCb Silicon Tracker - Photos from TT Module Production

Click on the thumbnails to see full-sized pictures

People, tools and materials

Tariel with bond wire	Mystery guest...	Surprise: it's Johannes!	The main ingredients
Production templates	Automatic bonder	Coordinate Measurement Machine	Burn-in box with Service Box
Electronics of the burn-in stand	Cooling pipes and cables

Stage I - day one

Cleaning the template	Selecting the 1st sensor	Placing the 1st sensor	Selecting the 2nd sensor
Placing the 2nd sensor	Selecting the 3rd sensor	Placing the 3rd sensor	Placing the 4th sensor
Placing the 5th sensor	Placing the 6th sensor	Selecting the 7th sensor	Placing the 7th sensor
Selecting the hybrid	Placing the hybrid	Checking the sensor alignment	Correcting the sensor alignment
Checking again	Placing the module under the CMM	Measuring the sensor alignment	Measuring the sensor alignment
Preparing the glue	Mixing the glue	Transfering the glue to the roller	Transfering the glue to the stencils
Transfering the glue to the sensor edges	Transfering the glue to the sensor edges	Transfering the glue to the sensor edges	Placing the 1st rail
Pushing the 1st rail onto the sensor edges	Checking the position of the 1st rail	Checking the position of the 1st rail	Placing the module under the CMM
Measuring the sensor alignment	Placing the copper blocks on the mounting tool	Fixing the copper blocks on the mounting tool	Ready for mounting onto the hybrid
Glueing the copper blocks onto the hybrid	Weighting them down for the glue to cure	The most important task...	...cleaning the stencils

Stage I - day two

Preparing the glue	Mixing the glue	Transfering the glue to the roller	Transfering the glue to the stencils
Transfering the glue to the sensor edges	Transfering the glue to the sensor edges	Placing the 2nd rail	Pushing the 2nd onto the sensor edges
Fixing the 2nd rail in place	Checking the position of the 2nd rail

Stage I - final survey

Placing the module under the CMM	Measuring the sensor alignment	Measuring the sensor alignment	Measuring the sensor flatness
Measuring the sensor flatness	Measuring the sensor flatness

Stage I - bias voltage and grounding

Applying a copper strap for the hybrid grounding	Applying a copper strap for the hybrid grounding	Hybrid with the copper ground strap	Applying silver glue for the ground connection
Ground connection between hybrid and copper block	Applying silver glue for the ground connection	Ground connection between hybrid and copper block	Mounting the bias voltage cable
Mounting the bias voltage cable	Mounting the bias voltage cable	Hybrid end of the bias voltage cable	Applying silver glue for the connection to the sensor
Applying silver glue for the connection to the sensor	Bias voltage connection on the back of the sensor	Applying silver glue for the connection to the hybrid	Bias voltage connection on the back of the hybrid
Ready for burn-in

Burn-in I

Transporting the modules to the burn-in stand	Balcony waiting for the module	Module mounted onto the balcony	4 modules installed in the burn-in box
Burn-in box closed	Starting the burn-in programme

Stage I - Kevlar caps

Preparing the glue	Mixing the glue	Rolling out the glue	Transfering the glue to the Kevlar caps
Positioning the Kevlar caps over the bonds	... only one man has a calm enough hand	Weighting the Kevlar caps down for the glue to cure	Inspecting the positioning of the Kevlar caps

Stage II - prepare Kapton interconnects

Kapton interconnect on the bond station	Positioning the bond head	Positioning the bond head	Bonding the two pieces of the interconnect
Bonds on the ground strip	Bonds on the signal strips	Pulling a broken bond	Three bonded interconnects
Rolling out the glue	Transfering the glue to the Kevlar caps	Glueing a Kevlar cap over the bonds	Weighting the Kevlar caps down for the glue to cure

Stage II - mount Kapton interconnects

Placing the positioning tool	Fixing the positioning tool	Checking the positioning tool	Placing the interconnect cable
Self-adhesive tape on the sensor end	Fixing the interconnect cable on the sensor	Placing a weight for glue curing	Screws, positioning pins and copper blocks
Placing the hybrid and copper blocks	Placing the washers	Placing the screws	Placing the positioning pins
Fixing the screws	Done	Waiting for the glue to cure	Waiting for the glue to cure

Burn-in II

Transporting the modules to the burn-in stand	Balconies waiting for modules	Mounting the module onto the balcony	Fixing the module on the balcony
4 modules installed in the burn-in box	Burn-in box closed	Starting the burn-in programme

See also: