W E P O W E R T H E F U T U R E

Welcome to Lapp Insulators Alumina GmbH

3rd ASPERA Technology Forum Industry meets Academica: Vacuum & CryogenicsDarmstadt, 13.-14.3.2012

Industrial Park Redwitz with LAPP Factories

Lapp Insulators GmbH: Porcelain insulators (500kV) Composite hollow insulators (500kV)

Lapp Insulators Alumina GmbH: Thyristor housings Diodes Feedthroughs Components for x-Ray and Vacuum technology

Porcelain

Alumina

1950

1970

Founding of the Ceramic Insulators plant

Founding of the Alumina Oxide Ceramics plant

1990

1995

Opening of Sales Office in Alpharetta, Georgia (USA)

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)

History/Roadmap Redwitz

2002Carve out from Siemens AG and sale to Demag Holding, Luxemburg (81% KKR, 19% Siemens)

2007Sale to Johnson Matthey plc, Environmental Control Technology (ECT) Division

2008

2011

Sale of the Redwitz factories to LAPP Insulators GmbH (Andlinger Invest)

Sale to Quadriga Capital Services GmbH

Company transactions

Company History

Alumina products

Insulators

Alumina

Numbers and Certificates

LAPP Insulators Alumina GmbHSpecialist for: Aluminumoxide (96%; 97,5%; 99,97%) Vaccum tight metal-ceramic-joints (brazing) Customized parts within 6 weeks Metallizing and Nickel plating

(electro/electroless)

OrganizationSplitted in „Housings“ and Profit Centre „New Products“ since 2011

Production Area 4500m²

Turnover/Employeesapprox. 13 Mio. € / 77

CertificationDIN EN ISO 9001:2000DIN EN ISO 14001:2005OHRIS

Production Process

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

Housings for High Power Semiconductors – „Housings“

Dimensions Voltage class up to 10.000V and 8000A Diameters 2“-6“

Application Power generation and transmission HVDC-stations (AC/DC – transformation) Welding diodes Fast starters

Technical data: Material: Al2O3 96%; OF-Cu Joining technology: Brazing with MoMn-Metallizing Control mode: Gate or light ingnited He-vacuum tightness: 10-9 mbarL/s Ceramic surface outside: glazed Bonding Strength Metallization >200 N/mm² (average)

Profit Center „New Products“ – New Products with well known and new Technologies

Goals Developing new products by using well known technologies Prototyping in 6 weeks with specialized team Implementing new technologies who are fitting to core business Enhancing turnover

Actions Empowering market acceptance – Attendance of several fairs to push degree of popularity (Hannover Fair 2011/12; Ceramitec 2012…) Developing standard program feedthroughs Entering new business fields – Laser technology Developing new brazing technology for stainless steel in house; ENIG-method for substrates

Results Doubling number of customers in one year 15 new products in market right now Significant increase of turnover

New Products – Vacuum Interrupter Tubes

Medium Voltage (-42kV)

Dimensions Various up to 305 mm in diameter

Application Vacuum switches for medium voltage Step switches

High Voltage (D 200mm)

Technical data: Material: Al2O3 96%; Electrical strength >30kV/mm Joining technology: Brazing with MoMn-Metallizing Ceramic surface outside: glazed Bonding Strength Metallization >200 N/mm² (average) Produced tubes >200.000 p.a.

Medium Voltage (-42kV)

New Products – Customized Feedthroughs

Feedthrough for Plasma Coating 130A, 11kV

Feedthrough 12kV (C220) Customized Feedthrough

Technical data: Material: Al2O3 96%/99.97%,Steatite; Electrical strength >10-30kV/mm Joining technology: Brazing with MoMn-Metallizing/active brazing Joining materials: Copper/NiFe/stainless steel Bonding Strength Metallization >200 N/mm² (average)

Insulated Support 15kV (EN 60664)

New Products – Standard Program Feedthroughs

Single Feedthrough with KF-Flange Double Feedthrough with KF-Flange

Single Feedthrough with CF-FlangeSingle Feedthrough

Technical data: Material: Al2O3 96%/NiFe42;Stainless steel; Conductor OF-CU or NiFe He-Vaccum-tightness 10-9 mbarL/s Voltage from 1kV to 8kV and 80A Temperature range: -150°C - 300°C

New Products – Laser Technology

Source of CO2-Laser Beam – Metallized Cathodes with glass shielding (air flashover)

Source of CO2-Laser Beam – Multidirectional MoMn-Printing (+ front edges)

Metallized/Brazed Parts

New Products – Special components

Technical data: Material: depends on customer and application (f.e. conductive ceramics; Si3N4 or ZrO2) Joining technology: Brazing with MoMn-Metallizing/active brazing/glueing/shrinkage fit Design: from 1 mm to 300 mm Diameter; length till 500mm

Application of ceramic-metal-joints in wear protection – cost effectiveness Engineering with FEA-method to choose optimal joints before prototyping

New Products – New Technologies

Gold-plated Substrates

Gold-plating by ENIG-method (Electroless Nickel Immersed Gold)

Technical data: Material: Al2O3 96%, metallized;Ni-plated; gold plated Thickness measurement of Au-layer in nanometer-range Measurement of bonding strength for ultrasonic bonded wires

Outlook Alumina will generating a further growing in the new business fields

With new technologies Alumina will develop as a specialist in a niche market

To fulfil the market demands we will act with a very flexible team to reduce lead times and deliver a high quality

The new standard program will be active after Hannover fair 2012