Experience of large-scale production

of scintillation crystalsA.Annenkov

Moscow Steel and Alloys Institute,

Innovational and Technological Centre

State Technological University "Moscow Institute of Steel and Alloys"MISA is the leading institution of Higher Education,training engineers and researchers in:

- metallurgy and material science; • metal production and treatment; • composite, powder, super- and semi-

conducting materials; • developing advanced materials and

technologies; • raw material effectiveness and ecology; • certification and quality management of

materials; • economics and management; • informatics and automated control system.

State Technological University "Moscow Institute of Steel and Alloys"MISA R & D statistics for 2006:

• 19 research laboratories • 20 education and research market-oriented centers • 315 permanent staff • 226 part-time workers, including contracted 61

undergraduate students and 34 post-graduate students • 472 R&D projects, including 315 with industrial customers • 29 international R&D projects • 548 post-graduate and post-doctorate students • 381 international visits • more than 300 scientific articles published • more than 250 reports were presented at 150 conferences,

including 88 international • 16 patent applications, 10 patents received

Target industries: Ferrous and Non-Ferrous Metallurgy Mining Defense industry Aerospace industry Automotive industry Engineering and Instrument-making industry Construction industry Power engineering industry Atomic power industry Medicine

The University has conducted up to date more than 40 large cooperation contracts with the educational and scientific centers

In the period of 2000-2007 the University conducted scientific research works on grants and projects financed by the following organizations: INTAS (European Union) INCO-COPERNICUS (European Union) TEMPUS-TACIS (European Union) EUREKA (European Union) International Science Foundation Civilian Research and Development Foundation (USA) NATO Research Program International Science and Technology Center (EU, USA, Japan, RF) Royal Academy of Sciences (Sweden) Netherlands Research Foundation (Netherlands)

Innovational and technological centre of MISA

The area of a site - 48500 m2

The area of building - 16500 m2

1 km from Moscow

Innovational and technological centre of MISA

Innovational and technological centre of MISA

“Crystal” Ltd.

-Original patented technology-Peltie modules-More than 100 basic specification of TE

Innovational and technological centre of MISA

ELS Ltd.

- Crystal growing- Ceramic production- Production of SS lasers- Manufacturing of equipment

Crystal growing facilities

Innovational and technological centre of MISA

“FOMOS technology” Ltd.

-Crystal production- Development of new material and technologies

CMS for LHC (CERN)

Crystal growing. Czochralski method

Jan Czochralski (1885 - 1953)

Problems of growing of high-temperature oxide crystals:- The expensive equipment;- Necessity of use precious metals (Pt or Ir)

Equipment

"Crystal - 3м" puller HF heating - 8 kHz

Capacity - 60 kwThe automatic control of diameter of a crystal

Max temperature – 2100 0CDiameter of crucible - up to 200 mm

Max weight of a crystal - 16 kgHigh vacuum

System of gas control

Automatic system of control of crystal growing process

IGBT transistor power supply

Detecting of γ - quantum by scintillators

Scintillation elementPbWO4

Scintillation cell

ECAL CMS:

Barrel - 63000 pcsEndCap - 15000 pcs.Total: - 90 tns

H

Registration of the process

H γγ

γ

γ

Raw material preparation

Furnace for smelting of raw material

Raw material smelting process

Crucible problem

Pt crucibles

Pt – Al2O3 system

IPR

Production facilities

Costomers MSAI

FOMOS

ELS

BTCP

R&D, samples

R&D, production

Mass production,> 1 tn/mon

R&D,Equipment