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Marktech Optoelectronics Announces Expanded West Coast Photodetector Design and Manufacturing Capabilities

May 9, 2018 – Latham, NY, USA Marktech Optoelectronics (, a privately-held, veteran-owned leading designer and manufacturer of standard and custom optoelectronics components and assemblies, including ultraviolet (UV), visible, near-infrared (NIR), and short wavelength infrared (SWIR) emitters; photodetectors; Indium phosphide (InP) epiwafers; and other materials, today announced the expanded photodetector design and manufacturing capabilities of Marktech West, its fully dedicated second facility in Simi Valley, California, USA.

Established in 2015, the 3800 square-foot Marktech West offers all the necessary infrastructure, technology, and engineering expertise for the design, development and manufacture of high-reliability photodetectors, in quantities ranging from prototype to OEM volumes, from wafer design stage up thru complete subsystems. Extensive Marktech investments in advanced production technology and equipment, including a Class 1000 (ISO 6) cleanroom, have created a highly controlled manufacturing environment in which to produce both Silicon (Si) and Indium gallium arsenide (InGaAs) photodetectors of the highest possible quality. Available offerings, each with extensive front- and back-end customization capabilities, include:

  • UV detectors, with spectral sensitivities from 150 nm to 570 nm, and further incorporating gallium phosphide (GaP), gallium nitride (GaN) and Silicon carbide (SiC) materials, for superior long-term stability, high device sensitivity and low dark current;
  • Silicon photodiodes and silicon phototransistors, with spectral sensitivities from 350 nm to 1100 nm, for visible and NIR applications requiring low noise, high speed and high sensitivity. Silicon wafers and chips are optimized to ensure uniform, consistent performance and high reliability. Available cost-effective customization capabilities to exacting standards include wavelength specific band-pass filtering, and hybridization.
  • Avalanche photodiodes (APD’s), featuring higher sensitivities than standard photodiodes, for high-accuracy, low-level light (LLL) detection, short pulse detection, and applications requiring higher bandwidth or internal gain, as required to overcome high preamplifier noise levels. Standard Marktech APD’s offer an internal gain mechanism, fast rise times, low dark current, and high NIR spectral sensitivity. Available cost-effective customization options to exacting standards include operational voltage selection (Vbr binning), wavelength specific band-pass filtering, and hybridization. Silicon-based APD’s (Si APD’s), supporting high-speed and low-light-level NIR optical detection from 400 nm to 1100 nm, are offered with active area sizes of 230 um and 500 um, and with peak response optimization of either 800 nm or 905 nm.
  • 100% US-based custom silicon chip and wafer design and processing, with designs for long-term stability, radiation hardness and high-reliability against UV and Gamma radiation.
  • GaP Schottky photodetectors, specially optimized for high-accuracy UV photodetection up to the visible spectrum, 150 nm to 550 nm.
  • Standard photovoltaic or photoconductive silicon photodiodes, with spectral sensitivities from 350 nm to 1100 nm, for applications requiring high-broadband sensitivity, moderate-to-fast response speeds, and optimized spectral enhancements.
  • InGaAs PIN photodiode chips, in active area sizes from 0.1 to 3.0 mm, with spectral sensitivities from 800 to 2600 nm. Marktech InGaAs PIN photodiode chips offer an optimal balance between low dark current, high speed and light sensitivity. No thermoelectric cooling is utilized in the manufacturing of Marktech PIN photodiodes, thereby reducing costs and improving overall efficiencies.
  • Foundry services, for the epitaxial growth of high-reliability SWIR wafers in the 1.0 μm to 2.6 μm range, with InP material as the base substrate, in 2″, 3″ and 4″ diameters.

Additional facility capabilities include mask design, custom packaging, and hybrid electronic designs. Front-end customization options include chip geometry design flexibility; responsivity to operating wavelengths; rise times to unique bandwidths; capacitance, for reduced noise and increased speed; dark current, for improved dynamic range; and anti-reflective coatings, for reduced optical losses. Back-end customization capabilities to unique environmental requirements include filter-in packages, for reduced ambient light effects; optical component add-ons, such as optical lenses, scintillators, etc.; light sources, including LEDs or laser dice for assembly miniaturization; integration of heaters, coolers, temperature sensors and op-amps; and custom packaging. Photodetectors are typically packaged within a variety of transistor metal case styles, in sizes from TO-18 to B-1032. Optoelectronic modules are further offered, for simplified application integration and evaluation.

Notes Marktech Optoelectronics president, Bill Moore, “We are pleased to announce our expanded West Coast photodetector design and manufacturing capabilities, established for the added convenience of our valued customers. These capabilities now allow us to manufacture a variety of photodetectors with highly competitive lead times, in anywhere from prototype to OEM volumes, using the very latest equipment and manufacturing processes. We look forward to continuing to advance our in-house manufacturing capabilities, in response to customer needs.”

Founded in 1985, the Albany, New York-based Marktech Optoelectronics has built a strong industry pedigree for R&D excellence. As a renowned optoelectronics engineering, design, and test facility, Marktech’s unique core competencies are rooted in its field-proven capabilities to produce custom LED and photodetector components and assemblies in virtually any quantities. Standard product samples and ranges are offered to customers globally via Marktech’s longtime distribution partner, Digi-Key Corporation. In addition, the company’s engineering team has the necessary full in-house capabilities for the testing of complete electrical and optical characteristics, as well as to perform end-to-end examinations of all optical components, from die level to finished product designs. Marktech is also a Cree Solution Provider for high-brightness LEDs and materials.

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