FCAL-Insert
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Revision as of 15:23, 26 July 2019 by Whitey (Talk | contribs) (Created page with "PMT R4125: OD 18.6±0.7mm, photocathode ∅>15mm, full length 101±2mm Parts for prototyping: * Draft 1 ** Iron housing: AISI-1010 20.5x20.5x140mm^3, a ho...")
PMT R4125: OD 18.6±0.7mm, photocathode ∅>15mm, full length 101±2mm
Parts for prototyping:
- Draft 1
- Iron housing: AISI-1010 20.5x20.5x140mm^3, a hole ∅=20.2mm
- μ-metal: Co-netic cylinder 140mm long, 19.3mm ID, made of a 0.25-0.35mm foil
- Light guide suggestion: acrylic cast rod 30mm long, available ∅0.625"=15.9mm ePlastic
- Draft 2
- Iron housing: AISI-1020 20.6x20.6x140mm^3, a hole ∅=20.2mm, annealed and painted, 9 pieces
- μ-metal: Co-netic 2 cylinders 140mm long, the inner one 19.3mm ID, made of a 0.10mm foil, 3 0.025mm-thick Mylar separators
- Light guide: see Draft 1
- Draft 3
- Iron housing: AISI-1020 20.6x20.6x104mm^3, a hole ∅=20.2mm, 9 pieces
- Iron housing: AISI-1020 20.6x20.6x140mm^3, a hole ∅=20.2mm, 1 piece
- μ-metal: Co-netic 2 cylinders 103mm long, the inner one 19.3mm ID, made of a 0.10mm foil, 3 0.025mm-thick Mylar separators
- μ-metal: Co-netic 2 cylinders 140mm long, the inner one 19.3mm ID, made of a 0.10mm foil, 3 0.025mm-thick Mylar separators
- Light guide: acrylic cast rod 35mm long, 4 pieces. Available ∅0.625"=15.9mm ePlastic
- PMT Spec http://www.bo.infn.it/cdf/fototubi/R4125.data.sheet.html
- Round Steel tube AISI-1020 Machined to dimensions above
- C0-netic B-H curves
http://www.magnetic-shield.com/science-research-and-education.html#bh
- AISI 1020 Steel BH curve https://magweb.us/free-bh-curves/
Mag Field Testing
- Preliminary Transverse Field Shield Tests ( Preliminary 1020 Shield testing with Mu metal)