USM SiPM Testing Readiness Review Checklist

USM SiPM Testing Readiness Review Checklist ***DRAFT DRAFT DRAFT***

Review Check List ***DRAFT DRAFT DRAFT***

The goal of the SiPM Testing Readiness Review is to assess whether USM is ready to begin production testing of SiPM sensors for the Hall D barrel calorimeter. Specifically the following questions need to be examined:

1. Environment
   1. General
      • Are the MSDS information sheets available for all products used during production?
      • What support do you get from university EH&S services?
      • Are there any materials (e.g cleaning agents/etc) that are of particular hazard during testing
2. Procedures:
   1. Are all procedures for receipt of SiPMs documented?
   2. Are all procedures for receipt inspection documented?
   3. Are all procedures for handling SiPMs documented?
   4. Are all procedures for the microscope inspection testing documented?
   5. Are all procedures for the PDE and Pulse shape measurements documented?
   6. Are all procedures for the MPPC Dark Box testing documented?
   7. Guidance should be given for each of the steps in the testing process for ease of estimating completion times.
3. Training:
   1. What are the training procedures for first-time workers in each of the areas where they will work?
   2. How is this documented?
4. Acceptance Testing
   1. MPPC Microscope Inspection
      • Are the testing procedures clearly defined?
      • Are the criteria for accepting MPPCs clearly specified?
      • How is the data from this test recorded?
   2. MPPC PDE and Pulse Shape Measurement
      • How are the units selected for this test?
      • What is the cross talk between cells in the PDE test?
      • How is the light source for the PDE measurements calibrated?
      • Is the procedure for testing clearly defined?
      • How are test data recorded?
      • Are the criteria for accepting MPPCs clearly specified?
   3. MPPC Dark Box Test
      • How are the MPPCs selected for this test?
      • How are the reference MPPCs selected?
      • How is the environment (temp and humidity) controlled and recorded?
      • Under which conditions do the tests need to be repeated?
      • Are the criteria for accepting MPPCs clearly defined?
      • How is the data analyzed to determine the quantities of interest?
   4. Storing MPPCs
      • Where and how are the MPPCs stored?
      • What are the procedures for maintaining control of all units (both tested and untested)?
5. Recovery Procedures
   1. What are the procedures for reporting an anomally in measurements during testing?
   2. What are the procedures for rectifying any problems encountered during testing? Is this documented?
6. Acceptance Testing of completed module
   1. Are all the items listed in Section 4.2 of the SOW addressed in the Quality Assurance and Test Plan Document?
   2. Are any of the sensors going to be retested periodically to check stability of the setup?
7. Tracking
   1. What information is recorded for each MPPC?
   2. What information is recorded for the sample of MPPCs tested for PDE and pulse shape?
   3. What information is provided with each shipment?
8. Schedule
   1. How is the schedule tracked?
   2. Note: Time for completion of the tests at each station should be estimated based on the information to date. Re-evaluation of the schedule should be done with additional production experience.
9. Reporting
   1. Is reporting chain within USM clear?
   2. Is the reporting chain to the project clear?

Contract Requirements

1. Final Construction Quality Assurance Plan
2. Final Acceptance Test Plan.

Requirements and Quality Assurance: Section 3 and 4 of the Statement of Work

The vendor shall prepare a Quality Assurance and Acceptance Test Plan for approval by JLab at the Readiness Review. The following items must be included:

A Component Inspection Plan, comprised of

1. Inspection of all materials received from the vendor’s suppliers and subcontractors and the recording of this information.
2. Obtaining and recording of all material certifications and analyses.
3. The calibration and identification of standards and instrumentation used for testing; the intervals between calibrations are also to be defined.
4. Establishment of inspection points for the incoming components, which will measure critical parameters.
5. The recording of all inspection data in such a manner so that the history of a component can be readily traced.
6. The submittal to JLab of all data related to the above.

A Process Quality Plan, comprised of

1. Step-by-step process documents, with instructions and prints pertaining to each assembly and/or manufacturing step.
2. Safety information for the job operator, including material data safety sheets
3. A method of reporting any mechanical defects found during assembly of components.
4. A mechanism for recording all job operator work sessions.
5. The submittal to JLab of all data related to the above.

Final Acceptance Test Plan, based on the SiPM specification D00000-01-07-S004 Rev-A, comprised of

1. Dark current and response to a standard light source at 5 and 20 degrees C.
2. Uniformity of response across all 16 cells of each array.
3. Verification and recording of operating parameters for each SiPM.

Tracking

The vendor must keep a record of all test data related to each SiPM for later use in instrumenting the Bcal modules.