NA Photovoltaic Committee Liaison Report NA PV Liaison Report - Baylies/BayTech NA Photovoltaic Committee Liaison Report Updated April 05, 2011 Berlin, March 9, 2010

NA PV Committee Liaison Leadership Win Baylies/BayTech NA PV Committee Liaison

NA Photovoltaic Committee C: Win Baylies – BayTech Group Int’l PV Analytical Test Methods TF Dick Hockett – Evans Analytical Group PV Materials TF Lori Nye – Brewer Science David Williams – REC Group PV Gas & Liquid Chem. Purity TF Marty Burkhart – Hi Pure Tech Suhas Ketkar – Air Products Tom Hackett – KMG Chemicals PV Electrical and Optical Properties Measurement TF Austin Blew – Lehighton Electronics Chris Moore – Semilab PV Carrier TF Mark Frederick – Entegris NA PV Committee Liaison

NA PV Committee Liaison Meeting Information Last meeting NA Spring Standards Meeting SEMI HQ, San Jose, CA March 29-30, 2011, www.semi.org/standards for the latest update Next meeting Intersolar North America San Francisco Marriott Marquis July 12-13, 2011, NA PV Committee Liaison

NA PV Committee Liaison New SNARF/TFOF SNARFs Doc. 5156, Specifications For Hydrogen Peroxide, Used In Photovoltaic Applications Doc. 5157, Specifications For Sulfuric Acid, Used In Photovoltaic Applications Doc. 5158, Specification for AntiReflective-Coated Glass, Used in Crystalline Silicon Photovoltaic Modules Submitted by Suntech (China) NA PV Committee Liaison

Ballot Results Summary Doc. 4795, New Standard: Specifications for Nitric Acid, Used In Photovoltaic Applications – Passed Doc. 5073, Revision of SEMI PV9-1110, Test Method for Excess Charge Carrier Decay in PV Silicon Materials by Non-Contact Measurements of Microwave Reflectance After a Short Illumination Pulse – Passed The following ballots failed and to be reballoted in cycle 3/4-2011 Doc. 5072, New Standard: Test Method for Measuring Oxygen, Carbon, Boron and Phosphorus in Solar Silicon Wafers and Feedstock by Secondary Ion Mass Spectrometry Doc. 4797, New Standard: Guide For Silane (SiH4), Used In Photovoltaic Applications Doc. 5033, New Standard: Guide For Ammonia (NH3) In Cylinders, Used In Photovoltaic Applications Doc. 4793, New Standard: Specifications for Hydrochloric Acid, Used In Photovoltaic Applications Doc. 4826B, New Standard: Specification for Silicon Wafers for Use as Photovoltaic Solar Cells NA PV Committee Liaison

Upcoming ballots for cycle 3 and 4, 2011 Doc. 5072A, New Standard: Test Method for Measuring Oxygen, Carbon, Boron and Phosphorus in Solar Silicon Wafers and Feedstock by Secondary Ion Mass Spectrometry Doc. 4797A, New Standard: Guide For Silane (SiH4), Used In Photovoltaic Applications Doc. 5033A, New Standard: Guide For Ammonia (NH3) In Cylinders, Used In Photovoltaic Applications Doc. 4793A, New Standard: Specifications for Hydrochloric Acid, Used In Photovoltaic Applications Doc. 4826C, New Standard: Specification for Silicon Wafers for Use as Photovoltaic Solar Cells Doc. 4726, New Standard: Test Method for Non-destructive measurement of the Sheet Conductance, Sheet Resistance, Mobility, Dopant Density of the substrates NA PV Committee Liaison

Upcoming ballots for cycle 3 and 4, 2011 (2) Doc. 4675A, New Standard: Test Method for the Measurement of Elemental Impurity Concentrations in Silicon Feedstock by Bulk Digestion, Inductively-Coupled-Plasma Mass Spectrometry Doc. 5095, New Standard: Specifications for 2-Propanol, Used In Photovoltaic Applications Doc. 5096, New Standard: Specifications for Hydrogen Selenide (H2Se), Used In Photovoltaic Applications Doc. 5098, New Standard: Specifications for Ammonium Hydroxide (NH4OH), Used In Photovoltaic Applications Doc. 5150, Revision of SEMI PV13-0211 - Test Method for Contactless Excess-Charge-Carrier Recombination Lifetime Measurement in Silicon Wafers, Ingots, and Bricks Using an Eddy-Current Sensor (Subj: “similar wafer” is not sufficiently precise”) NA PV Committee Liaison

Int’l PV Analytical Test Methods TF [1] Dick Hockett/Evans Analytical Group Charter: Develop standards for analytical test methods for PV industry. Published 4 Standards, 2 Auxiliary Information PV1-0211 - Test Method for Measuring Trace Elements in Si. Feedstock for Si. Solar Cells by High-Mass Resolution Glow Discharge Mass Spectrometry PV9-1110 - Test Method for Excess Charge Carrier Decay in PV Silicon Materials by Non-Contact Measurements of Microwave Reflectance After a Short Illumination Pulse PV10-1110 - Test Method for Instrumental Neutron Activation Analysis (INAA) of Silicon PV13-0211 - Test Method for Contactless Excess-Charge-Carrier Recombination Lifetime Measurement in Silicon Wafers, Ingots, and Bricks Using an Eddy-Current Sensor AUX017-0310, Auxiliary Information for Contactless Measurement of Carrier Recombination Lifetime in Silicon Wafers and Ingots AUX019-0211, Auxiliary Information for Interlaboratory Study Results For Determining the Precision of SEMI PV1 NA PV Committee Liaison

Int’l PV Analytical Test Methods TF [2] Drafting Doc. 4675A, New Standard: Test Method for the Measurement of Elemental Impurity Concentrations in Silicon Feedstock by Bulk Digestion, Inductively-Coupled-Plasma Mass Spectrometry Doc. 5072A, New Standard: Test Method For Measuring Oxygen, Carbon, Boron And Phosphorus In Solar Silicon Wafers And Feedstock By Secondary Ion Mass Spectrometry Doc. 5093, Auxiliary Information, Round Robin (Multi-Laboratory Test) for PV9-1110 Doc. 5078, Auxiliary Information, Conversion of units for impurity concentrations in Silicon – Approved at PVFMF NA PV Committee Liaison

PV Chemicals and Gases Purity TF [1] Marty Burkhart/Hi Pure Tech Tom Hackett/KMG Chemicals Suhas Ketkar/Air Products Charter: Provide documents for gas and liquid chemicals that can be used to obtain consistent, specified process materials. Published SEMI PV3-0310 - Guide For High Purity Water Used In Photovoltaic Cell Processing NA PV Committee Liaison

PV Chemicals and Gases Purity TF[2] Published SEMI Standards PV5-1110 Guide for Oxygen (O2), Bulk, Used In Photovoltaic Applications PV6-1110 Guide for Argon (Ar), Bulk, Used In Photovoltaic Applications PV7-1110 Guide for Hydrogen (H2), Bulk, Used In Photovoltaic Applications PV8-1110 Guide for Nitrogen (N2), Bulk, Used In Photovoltaic Applications PV11-1110 Specifications for Hydrofluoric Acid, Used In Photovoltaic Applications PV12-1110 Specifications for Phosphoric Acid, Used In Photovoltaic Applications PV14-0211 Guide For Phosphorus Oxychloride, Used In Photovoltaic Applications NA PV Committee Liaison

PV Chemicals and Gases Purity TF[3] Ballot approved at NA Spring 2011 meeting Doc. 4795, Guide For Nitric Acid, Used In Photovoltaic Applications – pending ISC A&R Review Drafting Doc. 4793A, Guide for Hydrochloric Acid Used In Photovoltaic Applications Doc. 4797A, Guide For Silane (SiH4), Used In Photovoltaic Applications Doc. 5031, Specifications for Helium (He), IN CYLINDERS, xx.xxx% Quality , Used In Photovoltaic Applications Doc. 5033A, Guide For Ammonia (NH3) In Cylinders, Used In Photovoltaic Applications Doc. 5095, Specifications for 2-Propanol, Used In Photovoltaic Applications Doc. 5096, Specifications for Hydrogen Selenide (H2Se), Used In Photovoltaic Doc. 5098, Specifications for Ammonium Hydroxide (NH4OH), Used In Photovoltaic Applications Doc. 5157, Specifications For Sulfuric Acid, Used In Photovoltaic Applications Doc. 5156, Specifications For Hydrogen Peroxide, Used In Photovoltaic Applications Future drafts: Trichlorosilane and Fluorine NA PV Committee Liaison

PV Electrical and Optical Properties Measurements TF Austin Blew/Lehighton Electronics Chris Moore/Semilab Charter : Develop standards for measuring electrical and optical properties of PV materials that become an integral part of a PV “device” e.g. cells, modules, etc. Published SEMI PV15-0211 Guide for Defining Conditions for Angle Resolved Light Scatter Measurements to Monitor The Surface Roughness and Texture of PV Materials Drafting Doc. 4825, New standard: Test Methods for Hg Probe Measurements of Crystalline Silicon PV Materials and Devices Doc. 4726, New Standard: Test Method for Non-destructive measurement of the Sheet Conductance, Sheet Resistance, Mobility, Dopant Density of the substrates Doc. 5111,New Standard: Test Method for Haze on Transparent Conductive Oxide (TCO) Films for PV Application NA PV Committee Liaison

NA PV Committee Liaison PV Materials TF [1] Lori Nye/Brewer Science David Williams/REC Group Charter: Identify standardization needs and priorities for specifications, guidelines and procedures related to Materials that become an integral part of a PV “device” e.g. cells, modules, etc. Doc. 4826B, Specification for Silicon Wafers for Use as Photovoltaic Solar Cells Failed and to be reballoted for review in Intersolar NA, July 2011 NA PV Committee Liaison

NA PV Committee Liaison PV Materials TF [2] Drafting Doc. 5032, New Standard: Guide for Specifying c-Si Terrestrial Solar Cells Doc. 5094, New Standard: Test Method for Interstitial Oxygen Content of Silicon by Fourier transform infrared spectroscopy for PV Materials Doc. 5156, New Standard: Specification for AntiReflective-Coated Glass, Used in Crystalline Silicon Photovoltaic Modules - New Due growing activities and alignment with Japan PV Materials Committee, TF plan to petition to become NA PV Materials Committee, NARSC’s endorsement needed. ISC Approval will take place at Intersolar NA in July NA PV Committee Liaison

NA PV Committee Liaison PV Carrier TF Mark Frederick/Entegris Charter: Develop carriers for use with PV wafers, substrates, cells, and modules, and that are used in transfer, shipping, equipment automation, and buffer storage. Current activity led by Europe NA PV Committee Liaison

NA PV Committee Liaison Questions? Contact Kevin Nguyen at knguyen@semi.org NA PV Committee Liaison