HYTEC Monthly Progress Report

Mechanical Design

• TKR Closeout SBIR Phase I Final Report (PDF) Hytec, 5/30/2000
• Tray core material selection (PDF) Hytec, 10/3/00
• Tray face sheet selection (PDF) Hytec, 10/23/00
• Tracker Material Trade Study (PDF)

Instrument Assembly

• TKR Tower Assembly (PDF) Hytec,
• Tracker Construction Report (PDF) Detailed discussion of BTEM tracker construction including recomendations for improvments and manufacturing yield data.
• Wire Bonder Specification (PDF) (MS Word) Specification for a wire bonder to build the GLAST tracker
• Hybrid Bonding Instructions (PDF) (MS Word) Instructions given to assembly house that wire bonded the BTEM hybrid circuit board.
• Tray Protection Design (PDF) (MS Word) Requirements and design proposal for protective covers to use during assembly of BTEM tracker trays.

Current Design Developments

• SLAC test of silicone dot patterns for detector attachment. (PDF) (4/10/01, Ossie and Omar)
• Information on use of Silicone adhesives in the solar panel industry. (PDF) (11/1/00, Ossie Millican).
• Roman's report on thermal strain tests (PDF) 10/4/00
• Considerations of core material (PDF) 9/18/00
• GLAST Epoxy thermal shear stress (PDF) Hytec, 8/4/2000.
• SuperGLAST adhesive study (PDF) Hytec, 8/4/2000.
• Bend test of Si wafers (PDF) Hytec, 8/4/2000.
• Measurements of thermal contact resistance between closeouts and tower walls (PDF)
• Estimate of the material between tracker towers (PDF)
• CTE Mismatch Summary (PDF) Hytec, 6/1/2000.
• Low CTE Lead Composites (PDF) Hytec, 4/18/2000.
• TKR Thermal Test Plan (PDF) Hytec, 2/17/2000.
• TKR Thermal Test Report (PDF) Hytec, 5/9/2000.
• TKR Tray Shake Test Results (PDF) Hytec, 4/12/2000.
• Recommendation for Mechanical Specifications for Adhesive Bond between Bias Circuit and Silicon Detector Ladders (PDF) Eric Ponslet, Hytec, 6/15/2000.
• Detector Alignment (PDF) (MS Word) Error buildup during ladder assembly and ladder positioning on trays.

Silicon Detector Ladders

• SSD Ladder Assembly Options (PDF) (MS Word) Discussion of different possibilities for assembling ladders and mounting them to trays.
• Ladder Fixture Proposal (PDF) (MS Word) Proposal for a fixture to build ladders using horizontal translation stages for less than $4K.

Hybrid Circuit board

• HDI Thermal Bond (PDF) (MS Word) Report on issues and potential adhesives for thermal and mechanical bonding of HDI to trays.

Tray

• Conductive Glue Requirements (PDF) (MS Word) Requirements for conductive glue for attaching detectors to trays.
• Conductive Adhesive Testing (PDF) Test Plan for evaluating the conductivity of conductive adhesives after thermal cycling.

Send your suggestions or complaints about this page to Gwelen Paliaga

Last modified: Wed Nov 1 18:12:15 PST 2000