CMS Document 3293-v1
Forward HCAL (HF) CCM Version 4 6U Assembly Front Panel Information
- CCM_V4_6U unit is made up of four printed circuit boards, the 4 boards attach to each other with Board-Board connectors.
Individual PCB dimensions 9.2"x 6.3".
Quantity is 30 boards of each for assembly (Board 1,3,4,5).
All boards and components are supplied by Fermi Lab.
The bottom side of the boards have SMT resistors and capacitors along with through hole and smt connectors.
All Assembled boards must be optically inspected with OMRON VT-WIN I, OMRON VT-WIN II optical inspection equipment.
Board 5 has 1 BGA - the assembly of which must be inspected using x-ray equipment.
All boards should be assembled with water soluble flux, and boards should be thoroughly cleaned of assembly residue.
Fermilab Technical Contact: Scott Holm (630) 840-4340
- Related Documents:
- CMS-doc-3288: Outline of Post Mortem Study of HCAL Front End (FE) Readout Modules (RMs).
- CMS-doc-3290: Forward HCAL (HF) CCM Version 4 6U Assembly Board 5
- CMS-doc-3291: Forward HCAL (HF) CCM Version 4 6U Assembly Board 1
- CMS-doc-3289: Forward HCAL (HF) CCM Version 4 6U Assembly Board 4