• Development of a fully-automated system to test silicon wafers, diced chips, and assembled boards of front-end electronics of the BTEM tracker
• Development of a semi-automated system to test silicon strip detectors for the BTEM tracker
• Development of a relational database of components of the BTEM tracker to keep track of tests, measurements, and assembly procedures
• Participation in the construction of the BTEM tracker
• Electrical tests of over 1000 ASIC's and 500 detectors for the BTEM tracker
• Coordination of the BTEM tracker assembly schedule using the component databases
• Performance measurements of the front-end ASIC GTFE64 used in the BTEM tracker
• Performance measurements of various test chips for improved front-end electronics design
• Radiation damage study of a prototype front-end electronics ASIC GTFE16 and a prototype detector (Nov. 1997)
• Radiation damage study of the prototype ASIC GTFE32 (Feb. 1998)
• Participation in the beam test at SLAC (Oct. 1997)
• Participation in the beam test at SLAC (Dec. 1999 - Jan. 2000)
• Preparation of the heavy-ion beam test at NIRS in Japan (Sep. 2000)
• Monte Carlo study of data storage capacity of the front-end electronics under high trigger-rate situation with GLAST simulator GlastSim

List of the internal reports for the GLAST projects

Flight tracker construction

Please refer the GLAST document archive for the latest version of the documents listed in this section. The linked document on this site might be obsolete.

• ``LAT Tracker Front-end Readout Chip Wafer Test Procedure''
  M. Hirayama, June 2002, LAT-TD-00247.
  Describes step-by-step procedures of the electrical tests for GTFE64 wafers for flight chip qualification.
• ``LAT Tracker Readout Controller Chip Wafer Test Procedure''
  M. Hirayama, June 2002, LAT-TD-00248.
  Describes step-by-step procedures of the electrical tests for GTRC wafers for flight chip qualification.
• ``Conceptual Design of the GLAST LAT Tracker Construction Database''
  Masaharu Hirayama, Eduardo do Couto e Silva, Luca Latronico, and Yasushi Fukazawa, October 2001, LAT-TD-00384.
  Describes conceptual design of the database used to keep track of tracker components (silicon strip detectors, read-out electronics modules, detector trays, etc.) during construction of the flight trackers.
• ``Naming Convention for GLAST Tracker Construction and Tray Orientation in Tracker Tower''
  M. Hirayama, August 2001, LAT-TD-00376.
  Describes naming convention of tracker components (silicon strip detectors, read-out electronics modules, detector trays, etc.) for the purpose of construction of the flight trackers.

Tests, measurements, and simulations

• ``Noise Analysis of the LAT Tracker Amplifier''
  R. P. Johnson and M. Hirayama, May 2001, LAT-TD-00232.
  Summarizes noise measurements, SPICE simulations, and their comparisons for test chips designed for GTFE64d.
• ``Single-chip Performance of a GLAST Tracker Prototype Front-end ASIC GTFE64c''
  M. Hirayama, W. Kröger, W. A. Rowe, A. Webster, and R. P. Johnson, May 2001, SCIPP 01/22.
  Summarizes actual single-chip performance of GTFE64c measured in the lab.
• ``Electrical Test of HP 0.5-um Test Chip for Front-end Electronics for GLAST Tracker''
  Masaharu Hirayama, May 2000, SCIPP 00/15.
  Summarizes the results of electrical test of HP 0.5-um test chip version 2.
• ``Heavy-ion beam test for newly developed 0.5-um processed chip''
  T. Mizuno, M. Hirayama, K. Yamanaka, and S. Yoshida, September 2000.
  Summarizes the results of heavy-ion beam test at NIRS, Japan.
• ``FIFO occupancy study of GLAST front-end electronics''
  M. Hirayama, March 2000.
  Report on FIFO occupancy study with Glastsim/gsc_shell, showing how full FIFO in GTFE64c will become under various background rate, noise occupancy, and calorimeter latchup time.
• ``Irradiation Test of a GLAST Front-end Electronics GTFE32 Chip''
  M. Hirayama, W. Kröger, W. Rowe, R. Johnson, and H. F. -W Sadrozinski, March 1998, SCIPP 98/06.
  Summarizes the results of irradiation test of front-end electronics GTFE32.
• ``Irradiation Test of a GLAST Prototype Detector and a Front-end Electronics GTFE16 Chip''
  M. Hirayama, W. Kröger, S. Jaggar, W. Rowe, R. Johnson, and H. F. -W Sadrozinski, March 1998, SCIPP 98/05. Summarizes the results of irradiation test of front-end electronics GTFE16 and prototype detector.

Tracker construction database

• ``Proposal of Conceptual Design of the GLAST Tracker Construction Database''
  M. Hirayama, E. C. Silva, L. Latronico, and Y. Fukazawa, April 2001, SCIPP 01/14.
  Describes a proposed conceptual design of the GLAST tracker construction database.
• ``Naming Convention for GLAST Tracker Construction and Tray Orientation in Tracker Tower''
  M. Hirayama, February 2001, SCIPP 01/11.
  Describes a proposed naming convention for the GLAST tracker construction. Also, tray orientation in the tracker tower is suggested in the document.
• ``Database for GLAST Tracker Construction''
  M. Hirayama, July 2000, SCIPP 00/28.
  Describes the original design concept of database for GLAST tracker construction.

BTEM/BFEM tracker tower

• ``User Guide for the GLAST BFEM Tracker''
  W. Kröger and M. Hirayama, January 2001, SCIPP 01/01.
  Briefly describes the BFEM tracker for non-tracker-experts and gives details about the tracker for tracker experts. For tracker experts, tracker configuration, coordinate system, required instruments to run the tracker, etc., are described.
• ``User Guide for the GLAST Beam Test Tracker''
  W. Kröger and M. Hirayama, December 1999, SCIPP 99/55.
  Briefly describes the BTEM tracker for non-tracker-experts and gives details about the tracker for tracker experts. For tracker experts, tracker configuration, coordinate system, required instruments to run the tracker, etc., are described.
• ``Setup for Functionality Test of GLAST Front-end Electronics GTFE64, GTRC, and HDI''
  Masaharu Hirayama, January 2000, SCIPP 00/03.
  Manual of the automated test setup for electrical functionality test of GLAST tracker front-end electronics used for BTEM tracker.
• ``Testing Structures and Procedures for the GLAST Tracker Front End Chip''
  S. Stromberg, M. Hirayama, June 1999.
  Summarizes the test setup also described in SCIPP 00/03.
• ``Complete List of the Functionality Tests Performed on the GLAST BTEM Tracker Front-end Electronics GTFE64, GTRC, and HDI''
  April 2001, M. Hirayama, SCIPP 01/16.
  Presents the complete list of the functionality tests performed on the GLAST BTEM tracker front-end electronics GTFE64, GTRC, and HDI.