High-end solutions for high-tech industries. Dr. Sebastian Gatz, Klaus Ruhmer
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1 High-end solutions for high-tech industries Dr. Sebastian Gatz, Klaus Ruhmer
2 Focus on technology Meyer Burger is a leading global technology company specializing in innovative systems and processes based on semiconductor technologies. The company s focus is on photovoltaics while its competencies and technologies also cover important areas of the semiconductor and the optoelectronic industries as well as other selected high-end markets based on semiconductor materials.
3 Global infrastructure at a glance The Netherlands Germany Manufacturing Support Office South Korea China Taiwan Portland Switzerland (HQ) India Singapore & Malaysia Meyer Burger Group 1,300 employees Leading global technology group
4 Serving high-tech industries Semiconductor Optical Optoelectronic Displays Touch Panels Printed Electronics & PCB Batteries Smart Glass Automotive Photovoltaics High-end solutions for high-tech industries
5 Meyer Burger s Specialized Technologies portfolio Cutting Slicing Ion Beam processing Plasma processing Inkjet Printing Extensive experience in cutting of high quality hard and brittle materials Advanced plasma and ion beam technologies for high-precision coating, structuring and processing of surfaces Innovative, multi-functional inkjet printing for today s and future applications Covering a broad range of applications available in high-end markets
6 Meyer Burger enables the future of wireless communication and IoT Thickness correction MEMS MOEMS Frequency trimming BAW SAW Pole trimming TFH pre trimming [nm] post trimming [nm] IonScan Uptime > 95 % at customer side > 50 installed base Reduction of standard deviation σ factor >10 Leading technology to trim surfaces in the 0.1nm range
7 IonScan Technology roadmap edge exclusion electrostatic mechanical Electrostatic clamping Replacing mechanical by electrostatic clamping No edge exclusion No mechanical stress More efficient cooling Increased process area (100%) Less breakage rate (> 99%) Higher uptime Reduced CoO by - 10% New Ionbeam source Redesign of standard source Adjustability of the grid potentials Precise positioning of the grids Robust components Improved long-term stability (+150%) No arcing Less wear of grids Enhanced control and monitoring during process Reduced CoO by - 20%
8 PECVD coating and etching systems Plasma sources Linear Microwave Pulsed DC RF ECR ICP Ion beam Medium scale production and R&D Widespread modular batch or inline system Substrate widths up to 500 mm Scalability processes, components, and technologies Large area, High throughput Industrially proven tray based Inline PECVD equipment SiNA / MAiA / HELiA Installed base > 800 Substrate widths up to 1000 mm Plasma experience for more than 30 years
9 Hardness (GPa) Microwave-PECVD hard coatings (transparent Si 3 N 4 layers) low rate high RF bias 1.9 refractive index n high rate high rate high RF bias no bias 1.8 doped < 1.9 high rate intermediate high rate RF bias no bias Temperature ( C) 400
10 Hardness (GPa) Microwave-PECVD hard coatings (transparent Si 3 N 4 layers) RF-biased enhanced PECVD at T < 100 C low rate high RF bias 1.9 refractive index n Deposition rate > 1.2 nm/s Hardness ~ 15 GPa Low absorption ε < 400 nm Low film stress +100 to -250 MPa for 2 µm high rate high rate high RF bias no bias 1.8 doped < 1.9 high rate intermediate high rate RF bias no bias Good grafting with peel strengths > 1 N On plastics, organics, epoxide resins, copper and tin alloys High breakdown voltage in salty water 20 V/µm Application Hard and scratch-resistant coatings for displays, windows, watches, lenses Insulating barrier layers in electronic devices (e. g. PCBs, panels) under humid condition Temperature ( C)
11 Hardness (GPa) Microwave-PECVD hard coatings (transparent Si 3 N 4 layers) low rate high RF bias 1.9 refractive index n Anti-reflective coatings with SiN x High variability of refractive index of SiN x films (up to 2.2) Low absorption ε < 400 nm high rate high RF bias 1.8 high rate intermediate RF bias high rate no bias doped < 1.9 high rate no bias Temperature ( C) 400 Hardness of up to 16 GPa for doped SiN x Low film stress +100 to -250 MPa Reduction of reflectivity Reflectivity Uncoated Coated Glass 8 % 3 % Sapphire 15 % 3 % Multi Si 27 % 9 % Mono Si 11 % 2 %
12 Microwave Plasma Etch Thin Film and Bulk material Key benefits Well-defined etch depth for typical layer thicknesses 50nm 1000nm Minimizing stress on sample Nitrides Si 3 N 4 Materials Oxides: SiO 2, ZnO, Ta 2 O 5, ITO, Phosphorus glass, Boron glass Silicon a-si, Si cryst., doped Si, et al. Carbon-based Graphit, diamant, organics, et al. Process gases Fluorine-based: NF 3, SF 6, CF 4,... Chlorine-based: N 2 O, Cl2, BCl 3,... Others: H 2, O 2, N 2,... RIE of quartz RIE of Si RIE of GaSb 2
13 Functional Inkjet printing Semiconductors Printed Electronics Displays PCB LP50 R&D IP410 Engineering & Pilot line JETx Mass production Photovoltaics
14 Focus applications for Inkjet printing Soldermask Printed Circuit Boards Engineering Versatile Photoresist Dams Semiconductor Pilot Production Flexible Mass Production Efficient Adhesive rqfn \ Flexible Hybrid PE Printed Electronics PV Barriers \
15 Integrated System Solutions Device Encapsulation Barrier for Foil CONx Microfab Complete encapsulation solution Includes plasma and inkjet tools Inert product handling Complete barrier film solution Based on innovative atomic layer deposition Includes foil pre-treatment and organic coating modules Integrated pilot manufacturing line for novel electronics Includes plasma and inkjet tools Integrated product handling and controlled environment
16 Advanced plasma coating Photovoltaics OLED Battery Flex Electronics Glass Application Key figures Process Process material PV OLED Battery Electronics Glass Encapsulation WVTR <1*10-6 g/m 2 /day in/organic coating SiH 4, NH 3, N 2 O, TMA High capacity anode >40% higher capacity amorphous silicon SiH 4, H 2 Etching/Stripping material removal CF 4, NF 3, O 2 Hardening on plastics > 15GPa, with T<100 C inorganic coating SiH 4, NH 3, H 2 AR coating Reflectivity 2% inorganic coating SiH 4, NH 3, H 2, N 2 O...
17 Many thanks for your attention. Visit us at: B and B3-178
18 Properties of selected PECVD- layer Layer typ Typical process Gases Deposition temperature [ C ] Refractive index Band gap [ ev ] Density [ g/cm 3 ] Vickers Hardness [GPa] Dielectric constant Breakdown field [MV/cm] Application Favoured plasma technique SiOx SiH 4 + N 2 O or silicon organics + N 2 O Optics, Electronics, PV Semiconductor, food, hard coating, protection µw, CCP, ETP, ICP SiOxNy SiH 4 + N 2 O + NH 3 or Si org N 2 O + NH 3 SiNx SiH 4 + NH 3 < 150 C SiNx SiH 4 + NH SiCxNy (SiH 4 ) + TMS + NH ? SiCx SiH 4 + CH ? a-si:h SiH 4 + H ? < ? ? PV, glass industry, moisture barrier, Optics, plastics, semiconductor, barrier, PV, Optics, semiconductor, barrier, architecture glass PV, ARC, mech. and chemical protection, PV, LED, sensors, protection, high temperature stable, PV, electronics, TFT, semiconductor. µw, CCP, ETP, ICP µw µw, CCP, ETP CCP, ICP, CCP, ICP µw, CCP, ETP, ICP µc-si:h SiH 4 + H ? ? ? PV, semiconductor, CCP AlOx TMA + N 2 O ? < ? 2-5 a-c:h (DLC) C 2 H 2 + Ar < < Diamond CH 4 + H PV, Optics, semiconductor, Optics, hardcoating, electronics, Electronics, hardcoating, µw, CCP, ETP, ICP CCP µw
19 Vacuum processes for surface modification COATING ETCHING FUNCTIONALISATION IMPLANTATION TREATMENT PECVD MOCVD, ALD, IAD, PICVD IBD, DIBD MSD evaporation (thermal, e- Beam) Reactive and nonreactive RIE, MERIE, ALE Chemical etching IBE, RIBE, CAIBE Change of binding properties of the surfaces Oxidation Nitriding Carbonating Hydrogen-diffusion Radiation (IR, UV) Ionen Implantation PBII PIII Doping Particle interaction with the substrate surface, Physical and/or chemical, Radiation Applications Antireflection, Reflection, Filter Protective coatings Electr. isolation Dielectrics semiconductors Contact-layer Barriere coating Structuring of surfaces of metals, dielectrics, semiconductor e.g. MEMS, Hydrophobic or hydrophilic printing Coloration water absorption hardening Hardening Change of conductivity Buried functional layers semiconductorfunctions (e.g. pnjunctions) Surface activation Improve of adhesion Inerting Germ and bacteria killing Cleaning
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