array element (1) | material # (1) | material name | Description and affected volumes |
idtmed[200] | 1 | "SI$" | Silicon; used for the sensitive parts of the SDDs (volumes ITS3 and ITS4, for detectors of layers 3 and 4 respectively) |
idtmed[206] | 7 | "SDD SI CHIP$" | Silicon + conductive epoxy. Used for the front-end ASIC, glued with a 50 μm thick layer
of Ag-based epoxy onto the front-end hybrids. NOTE: the compound assumes 300 μm thick ASICs. Used for the volumes I042 (PASCAL chip) and I043 (AMBRA chip) |
idtmed[208] | 9 | SDD C (M55J) | High modulus carbon fiber + epoxy matrix. Used for: I019, I020, I021, I022, I023, I025, I026, I029, I030 = elements of the SDD-ladder space frame, I033 = supports of the ceramic pins holding the detectors (in the real life they will be made of Ryton R4-04 ), I035 = holders of the cooling pipes (in the real life they will be made of Ryton R4-04 ), I036 = holders of the signal and low-voltage microcables at the top of the ladder space-frame, |
idtmed[209] | 10 | "SDD AIR$" | Air used for the mother volumes: IT34 = SDD layers 3 and 4, I018 = sub-labber block containing the F.E. electronics and C.F. space frame of theSDD ladder, I024 = end-block of the SDD ladder (ladder feet), I047 = full SDD ladder of layer 3 (contains 2 copies of I024 and 6 copies of I018), I048 = full SDD ladder of layer 4 (contains 2 copies of I024 and 8 copies of I018), I004 = set of 6 detectors of an SDD ladder of layer 3, I005 = set of 8 detectors of an SDD ladder of layer 4, I421 = air inserted in the ladder feet (inside the "positioning box"), in which the ruby-spheres for the ladder positioning will be placed, I424 = air for the feed-through of the HV microcables (in the ladder feet), I050 = box containg the anode microcables and the F.E. hybrid, ASIC and capacitors, |
idtmed[211] | 12 | "WATER$" | Demineralized water; used as coolant. (see also PDG ). Used for the volumes I032 (at the ladder end) and I038 (along the ladders) |
idtmed[224] | 25 | "G10FR4$" | Stesalit EP107-M950-40. Used for I028 = mother volume of a "foot" of the SDD ladders. Since the composition of this stesalit could not be found, the G10 values have been used instead. |
idtmed[264] | 65 | "INOX$" | Generic stainless steel. Used for the volumes: I420 = "positioning box" (actually a spring) inserted in the ladder feet I423 = support of the ruby-sphere used for the ladder positioning (in the ladder feet), I031 and I037 = cooling tubes at the ladder ends and along the ladder respectively (in the real life they will be made of phynox ), |
idtmed[268] | 69 | "SDD C AL (M55J)$" | Heavier carbon-fiber. Used for the volumes: I039 = heat bridge for the cooling of the F.E. electronics (in the real life they will 300 μm thick and will be made of K13D2U-CE3 ), I040, I041 = clip of the heat bridge for the cooling of the F.E. electronics IRA1, IRA2 = ITS rails for the case they are made of carbon fiber (and are not extracted after the installation ?). |
idtmed[276] | 77 | "SDD X7R capacitors$" | SMD capacitors of size 0805 and dielectric X7R + solder. Used for the volumes: I051 = SMD biasing capacitors on the F.E. hybrid ciruit Likely, in the real system, capacitors of size 0603 will be used, or, if possible, capacitors of size 0402. |
idtmed[277] | 78 | "SDD ruby sph. Al2O3$" | Used in the volumes: I422 = ruby-sphere used for the ladder positioning (in ladder feet) I034 = ceramic pins holding the detectors (in the real life they will be made of Ryton R4-04 ), |
idtmed[278] | 79 | "SDD SI insensitive$" | Silicon; used for the non-sensitive parts of the SDDs (volumes I302 and I402 for layer 3 and 4 respectively) |
idtmed[279] | 80 | "SDD HV microcable$ | Multilayer Upilex/Aluminum microcable. Used for the volumes: I425 = HV microcable segment at the end of the ladders I315, I316, I317 = HV microcable segments along the ladders (see variable HVname, their Z-dimension depend on the SDD position), I415, I416, I417, I418 = HV microcable segments along the ladders (see variable HVname, their Z-dimension depend on the SDD position), |
idtmed[280] | 81 | "SDD LV+signal cable$ | Multilayer Upilex/Aluminum microcable. Used for the volumes: I311, I312, I313 = LV+signal microcable segments along the ladders (see variable LVname, their Z-dimension depend on the SDD position), I411, I412, I413, I414 = LV+signal microcable segments along the ladders (see variable LVname, their Z-dimension depend on the SDD position), |
idtmed[281] | 82 | "SDD hybrid microcab$" | Multi-layer Upilex-Aluminum circuit. Used for the volumes: I052 = F.E. hybrid |
idtmed[282] | 83 | "SDD anode microcab$" | Single-layer Upilex-Aluminum circuit. Used for the volumes: I044 = anode microcable, connecting the detector to the F.E. hybrid |
idtmed[283] | 84 | "SDD/SSD rings$" | Support rings of SDD and SSD ladders. They are made of Rohacell-51A sandwiched in
0.5 mm thick carbon-fiber layers. Used for the volumes: I097 = ladder support on layer 3 I098 = ladder support on layer 4 I217 = ladder support on layer 5 I219 = ladder support on layer 6 |
AISI 304L | Stainless steel | ||
AISI 316L | Stainless steel (more resistant to corrosion) | ||
PHYNOX | Co-Cr-Ni-Fe Alloy resistant to corrosion; for the cooling pipes long the ladders | ||
Ryton R-4 04 | Polyphenylene sulfide (PPS) loaded with glass-fiber (40% by weight). Used for the supports of the ceramic pins holding the detectorsand the holders of the coling pipes. | ||
K13D2U-CE3 | High thermal conductivity fiber used for the SDD heat bridges (volumes . |
(1) |
Materal number, name and array elements refer to the code version:
/* $Id: AliITSvPPRasymm.cxx,v 1.70 2003/08/14 20:24:51 nilsen Exp $ */ |
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