Welcome to Lapp Insulators Alumina Gmb H WE

Welcome to Lapp Insulators Alumina Gmb. H WE POWER THE FUTURE 3 rd ASPERA Technology Forum Industry meets Academica: Vacuum & Cryogenics Darmstadt, 13. -14. 3. 2012

Industrial Park Redwitz with LAPP Factories Lapp Insulators Gmb. H: Porcelain Ø Porcelain insulators (500 k. V) Ø Composite hollow insulators (500 k. V) Lapp Insulators Alumina Gmb. H: Ø Thyristor Alumina housings Ø Diodes Ø Feedthroughs Ø Components for x-Ray and Ø Vacuum technology

Company History/Roadmap Redwitz 1950 Founding of the Ceramic Insulators plant 1970 Founding of the Alumina Oxide Ceramics plant 1990 Company transactions 2002 2007 Sale to Johnson Matthey plc, Environmental Control Technology (ECT) Division 2008 Sale of the Redwitz factories to LAPP Insulators Gmb. H (Andlinger Invest) 2011 Sale to Quadriga Capital Services Gmb. H Opening of Sales Office in Alpharetta, Georgia (USA) 1995 Founding of the Composite Insulators plant (SIMOTEC) 1998 Acquisition of Siemens Fabryka Izolatorow Sp. Z. o. o. , Jedlina Zdrój – production of medium and low-voltage insulators in Poland 2004 Acquisition of IZOCER, Turda (Romania) Carve out from Siemens AG and sale to Demag Holding, Luxemburg (81% KKR, 19% Siemens)

Numbers and Certificates LAPP Insulators Alumina Gmb. H Insulators Alumina products Specialist for: Ø Aluminumoxide (96%; 97, 5%; 99, 97%) Ø Vaccum tight metal-ceramic-joints (brazing) Ø Customized parts within 6 weeks Ø Metallizing and Nickel plating (electro/electroless) Organization Splitted in „Housings“ and Profit Centre „New Products“ since 2011 Production Area 4500 m² Turnover/Employees approx. 13 Mio. € / 77 Certification DIN EN ISO 9001: 2000 DIN EN ISO 14001: 2005 OHRIS

Production Process Ø Whole production chain in one hand, from powder till Ni-plating Ø We handle more than 200 to of OF-Cu a year (contact pieces of thyristors) Ø Alumina consumption > 150 to a year / 6 m² sintering capacity in 7 kilns Ø Self optimized He-vacuum tightness test rigs till 10 -10 mbar. L/s Ø Mo. Mn-Metallization paste, alumina powder and overglaze is produced in house

Housings for High Power Semiconductors – „Housings“ Dimensions Ø Voltage class up to 10. 000 V and 8000 A Ø Diameters 2“-6“ Application Ø Power generation and transmission Ø HVDC-stations (AC/DC – transformation) Ø Welding diodes Ø Fast starters Technical data: Ø Material: Al 2 O 3 96%; OF-Cu Ø Joining technology: Brazing with Mo. Mn-Metallizing Ø Control mode: Gate or light ingnited Ø He-vacuum tightness: 10 -9 mbar. L/s Ø Ceramic surface outside: glazed Ø Bonding Strength Metallization >200 N/mm² (average)

Profit Center „New Products“ – New Products with well known and new Technologies Goals Ø Developing new products by using well known technologies Ø Prototyping in 6 weeks with specialized team Ø Implementing new technologies who are fitting to core business Ø Enhancing turnover Actions Ø Empowering market acceptance – Attendance of several fairs to push degree of popularity (Hannover Fair 2011/12; Ceramitec 2012…) Ø Developing standard program feedthroughs Ø Entering new business fields – Laser technology Ø Developing new brazing technology for stainless steel in house; ENIG-method for substrates Results Ø Doubling number of customers in one year Ø 15 new products in market right now Ø Significant increase of turnover

New Products – Vacuum Interrupter Tubes Dimensions Ø Various up to 305 mm in diameter Application Ø Vacuum switches for medium voltage Ø Step switches Technical data: Medium Voltage (-42 k. V) High Voltage (D 200 mm) Ø Material: Al 2 O 3 96%; Electrical strength >30 k. V/mm Ø Joining technology: Brazing with Mo. Mn-Metallizing Ø Ceramic surface outside: glazed Ø Bonding Strength Metallization >200 N/mm² (average) Ø Produced tubes >200. 000 p. a. Medium Voltage (-42 k. V)

New Products – Customized Feedthroughs Feedthrough for Plasma Coating 130 A, 11 k. V Feedthrough 12 k. V (C 220) Insulated Support 15 k. V (EN 60664) Customized Feedthrough Technical data: Ø Material: Al 2 O 3 96%/99. 97%, Steatite; Electrical strength >10 -30 k. V/mm Ø Joining technology: Brazing with Mo. Mn-Metallizing/active brazing Ø Joining materials: Copper/Ni. Fe/stainless steel Ø Bonding Strength Metallization >200 N/mm² (average)

New Products – Standard Program Feedthroughs Single Feedthrough with KF-Flange Single Feedthrough with CF-Flange Double Feedthrough with KF-Flange Technical data: Ø Material: Al 2 O 3 96%/Ni. Fe 42; Stainless steel; Conductor OF-CU or Ni. Fe Ø He-Vaccum-tightness 10 -9 mbar. L/s Ø Voltage from 1 k. V to 8 k. V and 80 A Ø Temperature range: -150°C - 300°C

New Products – Laser Technology Source of CO 2 -Laser Beam – Metallized Cathodes with glass shielding (air flashover) Source of CO 2 -Laser Beam – Multidirectional Mo. Mn-Printing (+ front edges)

New Products – Special components Metallized/Brazed Parts Ø Application of ceramic-metal-joints in wear protection – cost effectiveness Ø Engineering with FEA-method to choose optimal joints before prototyping Technical data: Ø Material: depends on customer and application (f. e. conductive ceramics; Si 3 N 4 or Zr. O 2) Ø Joining technology: Brazing with Mo. Mn-Metallizing/active brazing/glueing/shrinkage fit Ø Design: from 1 mm to 300 mm Diameter; length till 500 mm

New Products – New Technologies Gold-plating by ENIG-method (Electroless Nickel Immersed Gold) Gold-plated Substrates Technical data: Ø Material: Al 2 O 3 96%, metallized; Ni-plated; gold plated Ø Thickness measurement of Au-layer in nanometer-range Ø Measurement of bonding strength for ultrasonic bonded wires

Outlook Ø Alumina will generating a further growing in the new business fields Ø With new technologies Alumina will develop as a specialist in a niche market Ø To fulfil the market demands we will act with a very flexible team to reduce lead times and deliver a high quality Ø The new standard program will be active after Hannover fair 2012