Origami chip-on-sensor design: Progress and new developments

C. Irmler, T. Bergauer, A. Frankenberger, M. Friedl, I. Gfall, A. Ishikawa, R. Kameswara, E. Kato, G. Mohanty, K. Negishi, Y. Onuki, N. Shimizu, T. Tsuboyama, M. Valentan

研究成果: Article査読

5 被引用数 (Scopus)

抄録

The Belle II silicon vertex detector will consist of four layers of double-sided silicon strip detectors, arranged in ladders. Each sensor will be read out individually by utilizing the Origami chip-on-sensor concept, where the APV25 chips are placed on flexible circuits, glued on top of the sensors. Beside a best compromise between low material budget and sufficient SNR, this concept allows efficient CO2 cooling of the readout chips by a single, thin cooling pipe per ladder. Recently, we assembled a module consisting of two consecutive 6" double-sided silicon strip detectors, both read out by Origami flexes. Such a compound of Origami modules is required for the ladders of the outer Belle II SVD layers. Consequently, it is intended to verify the scalability of the assembly procedure, the performance of combined Origami flexes as well as the efficiency of the CO2 cooling system for a higher number of APV25 chips.

本文言語English
論文番号C01014
ジャーナルJournal of Instrumentation
8
1
DOI
出版ステータスPublished - 2013 1 1

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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