OAI
OAI is a leading manufacturer of reliable, precision equipment for MEMS, semiconductors, nanotechnology, cleanroom automation, and for UV light measurement.
- 800-843-8259
408-232-0600 - 408-433-9904
- sales@oainet.com
- 464 South Hillview Drive
Milpitas, CA 95035
United States of America
Categories
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TriSOL Class AAA 0.25º Collimation Angle Solar Simulators
For high performance space applications, OAI offers a 0.25 Collimation Angle Solar Simulator. It is engineered with the technology built on OAI’s 47 years of experience working with light. Features include 100mmx100mm beam size, long lens housing, AM 1.5 G and AMO spectrum up to 1800 nm or any custom spectrum, and intensity controlled up to 1.25 SUNS. These solar simulators are built with OAI’s precision, quality and reliability.
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Testing for Si Solar Cells Using High Performance CCD
EL Imaging Tester
EL Testing for Si Solar Cells using High Performance CCD. The determination of luminescence (photo emissions) in solar cells is an important characterization tool. Typical solar cells often have defects which limit the efficiency or lifetime of a cell. Many of these defects are visualized with Luminescence Imaging. By using this technique, the manufacturing process can be optimized to produce better cells. Luminescence Imaging takes advantage of the radiative inter-band recombination of excited charge carriers in solar cells. The emitted photons can be captured with a sensitive CCD camera to obtain an image of the distribution of the radiative recombination in the cell. This distribution is determined by the local excitation level, allowing the detection of electrical losses, thus mapping the diffusion length of minority carriers as the emitted light is low intensity and in the near infra-red range, the CCD camera has a high sensitivity wavelength from 900 to 1100 nm with little thermal noise. This CCD camera provides excellent resolution of 1024 x 1024 pixels with a large 1μm pixel size, multi-megahertz readout speed, and robust USB 2.0 connectivity. The EL CCD Camera is the ultimate high-performance CCD camera for electroluminescence and photoluminescence imaging for Photovoltaic (PV) Cells and Modules. This camera combines low noise electronics and optimal sensitivity in NIR.
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Automated Front & Backside Mask Aligner System
Model 6000
With over 4 decades of manufacturing in the semiconductor industry, OAI meets the growing challenge of a dynamic market with an elite class of production photolithography equipment. Built on the proven OAI modular platform, the Model 6000 has front and backside alignment that is fully automated with a submicron printing capability as well as submicron top to bottom front side alignment accuracy which delivers performance that is unmatched at any price. Choose either topside or optional backside alignment which uses OAI’s customized advanced recognition pattern software. These Mask Aligners have OAI’s Advanced Beam Optics with better than ±3% uniformity and a throughput of 200 wafers per hour in first mask mode, which results in higher yields. The Series 6000 can handle a wide variety of wafers from thick and bonded substrates (up to 7000 microns), warped wafers (up to 7 mm-10mm), thin substrates (down to 100 micron thick), and thick photo resist.
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Calibrated Solar Reference Cell
To insure repeatable testing on any solar simulator, OAI offers 2cm x 2cm calibrated reference cells. Standard reference cell calibration cycles can be set up by OAI''s calibration laboratory to insure that your reference cell maintains certification.
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Light and Energy Meter
Model 659
UV Light and Energy Meter for use with all wafer steppers. For over 45 years, OAI is a world leader in UV Light and Energy Measurement Instrumentation used for reliable accurate calibrated control of the photolithography processes in the Semiconductor, MEMS, Wafer Packaging and Wafer Bumping Industries. The New Model 659 is an advanced UV exposure analyzer specifically designed for use with all wafer steppers including high intensity wafer steppers. This meter averages up to 400 exposure readings, has Ethernet and USB interface for downloading recorded measurements, and has intensity range of up to 7,500mW/cm2. Probes are available in wavelength of 365nm, 400nm, 420nm & 436nm. OAI has a complete certified calibration lab to maintain the performance, quality and reliability of our meters. The Model 659 meter is traceable to NIST standards.
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Tabletop Front & Backside Mask Aligner
Model 200IR
The OAI Model 200IR Mask Aligner is a tabletop system that requires minimal clean room space. It is a cost-effective alternative for R&D or limited scale, pilot production. Utilizing an innovative, air bearing / vacuum chuck leveling system, the substrate is leveled quickly and gently, for parallel photo mask alignment and uniform contact across the wafer during contact exposure. The Model 200IR Mask Aligner is capable of one micron resolution and alignment precision. It has an alignment module which features mask insert sets and quick-change wafer chucks that enable the use of a variety of substrates and masks without requiring tools for reconfiguration. The alignment module incorporates micrometers for X, Y, and z-axis.
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Light and Energy Meter
Model 656
OAI Model 656 Meter is designed for use with all mask aligners and flood exposure systems. For over 45 years, OAI is a world leader in UV Light & Energy Measurement Instrumentation used for reliable accurate calibrated control of the photolithography processes in the Semiconductor, MEMS, Wafer Packaging and Wafer Bumping Industries.
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Continuous Wave Solar Power Meter
The OAI Continuous Wave Solar Power Meter is an essential analytical tool for measuring the irradiance (in Suns) of Continuous Wave Solar Simulators. OAI’s Solar Power Meters feature unique features not found in other Solar Meters. This versatile meter can display a wide variety of cell characteristics that include: cell type, window type, cell size, and temperature measurement device type. The OAI Continuous Wave Solar Power Meter can sample and display a continuous reading or peak reading. The Power Meter connects via USB port for data collection, and includes desktop software. With this small, portable, battery-powered meter, numerous production solar simulators can be tested and compared in a short amount of time, leading to greater production line consistency and throughput.
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Calibration Services
For over 25 years, OAI (Optical Associate Inc.), is the leader in NIST traceable calibration of instruments for measuring Ultra Violet (UV) light. Originally designed to meet the demanding needs of the semiconductor wafer fabrication industry, OAI developed the most repeatable NIST traceable calibration in the industry.
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Handheld Surface & Volume Low Resistivity Meter for Conductive Materials
Loresta AX
The Loresta AX Resistivity Meter a handheld unit measures the low resistivity of samples with consistent accuracy. This resistivity meter measures resistivity using a wide variety of probes. The Loresta AX uses a standard RCF that enables the user to input other RCF''s if known.
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Solar Simulators
TriSOL CPV
Concentrating Photovoltaics (CPV) has the promise of producing solar cells with high cell efficiencies, which result in a reduction in the cost of operating a PV module. However, a CPV system requires the integration of CPV solar cells, modules and CPV optics into one efficient system. OAI’s focus is CPV cell testing methodology. The CPV cells can now be tested using OAI’s advanced standalone CPV Simulators for low dose and high dose configurations. The low dose CPV Solar Simulator provides exposure up to 50 Suns, whereas, the high dose CPV Solar Simulator provides exposure up to 1500 Suns. The low and high dose simulators provide exposure in varying Sun concentrations in various beam sizes from 1.5cm x 1.5cm to 7.5cm x 7.5cm, and may be configured with OAI’s I-V Test Systems.
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Mask Treatment Process
Model 100MT
OAI offers a unique process which extends the life of your mask, says good bye to tedious washing and drying of mask and thus enables your mask aligner to have increased productivity at the lowest cost of ownership. The Model 100 MT is a 2 step process.
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Automated I-V/AOI/EL and Sorting System
OAI’s High Performance In-line Automated-I-V Testing, AOI/EL Inspection and Sorting/Binning System for Various Si Solar Cells. The 10000A-I-V System is a unique and reliable I-V testing, AOI/EL Inspection and Sorting / Binning system for testing of Mono, Multi-Si, C-HJT and other full Size (156mm x 156mm) and/or Cut-cell (156mm x 39mm or 156mm x 31.2mm or other custom sizes) Si Solar Cells.
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Surface & Volume Resistivity Meter for Nonconductive Materials
Hiresta UX
The new Hiresta-UX is a high performance meter for measuring the surface and volume resistivity of a wide variety of nonconductive materials. With an extended measurement range of 103 ~ 1014Ω, this meter is ideal for Production, Engineering, R&D and Quality Control. The new Hiresta-UX features powerful new algorithms that automatically choose the right voltage, which optimizes the surface and volume resistivity testing. This versatile, high performance resistivity meter includes a built-in switch box that can be mated with a J-Box (meets JIS K 6911 for surface & volume resistivity and is compatible with ASTM D 257) as an option. The Hiresta-UX can store up to 2,000 measurement results, which can be easily exported to a USB memory device.
