Atsuhiko Ochi Kobe University ATLAS-J MicroMEGAS meeting 4/12/2014

 Resistive ink from Jujo chemical: ◦ Jujo JELCON CH-8 + Medium + Silica additive ◦ About 100CHF/kg ◦ The material is not validated yet.  Pending to use this, after our discussion  Resistive ink from ESL: ◦ RS12100 Series ◦ About 1kCHF/kg ◦ The material is well tested as MM electrodes. 2014/12/4 A. Ochi, ATLAS-J MicroMEGAS2

2014/12/4 A. Ochi, ATLAS-J MicroMEGAS3

 かなり、出来は良い。  抵抗値は、上の端から下 の端まで 15MΩ くらい。 ◦ 結構良い値。 ◦ パターンの出来も、非常に 良い。 2014/12/4 A. Ochi, ATLAS-J MicroMEGAS4

 先週、 180μm, 200μm, 220μm の３種類の抵 抗ストリップを印刷したサンプルが届く。 2014/12/4 A. Ochi, ATLAS-J MicroMEGAS5

 150μ/250 μ ◦ No good ◦ Some lines are broken  180μ/220μ ◦ Good ◦ No break found  200μ/200μ ◦ Good ◦ No break found  220μ/180μ ◦ Good ◦ No break found  250μ/150μ ◦ No good ◦ The lines are attached to next ones 2014/12/4 A. Ochi, ATLAS-J MicroMEGAS6 LS L/S New samples … Good quality

2014/12/4 A. Ochi, ATLAS-J MicroMEGAS7

 For SM1  R&D is almost done.  We are starting the ordering for module-0 ◦ The ESL paste will be delivered to printing company at beginning of January. ◦ The estimated foil delivering (to Kobe) is mid of January. ◦ The cost for printing will be 2M JPY, and I confirmed to ATLAS-Japan fund manager that it will be provided from KEK. 2014/12/4 A. Ochi, ATLAS-J MicroMEGAS8

 For SM2  Ordering has been already done. ◦ Total cost: 4M JPY ◦ Half of them is covered by KEK (ATLAS-J), and another half is covered by Kobe U. (Detector R&D budget). ◦ The small modification for drawings will be needed. ◦ Proof check of the pattern will be done in this week. ◦ Mask production … 1.5 weeks ◦ Image development on the foil … 1 week (Laytech) ◦ The sputtering will be available at end of this year or the beginning of the next year. (Be-sputter) ◦ Lift off process … 1 week (Laytech) ◦ The foils will be delivered to us in mid January 2014/12/4 A. Ochi, ATLAS-J MicroMEGAS9