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We know lasers
We grow lasers

Sheaumann has been performing epitaxial growth of lasers for over 20 years.

In 2021 we commissioned our 18,000 square foot cleanroom in Billerica, which houses all our activities, from wafer growth packaging, test and reliability.

WAFER GROWTH


WAFER FAB


CHIP/BAR PROCESSING


LASER PACKAGING


TEST & RELIABILITY


Questions? Send us a note!

Wafer Growth

Sheaumann’s epitaxial growth team can provide MOCVD services for both laser, and non-laser customers.

• Single-mode and multi-mode structures
• GaAs: 780-1070nm
• GaAs(P): 1070-1270nm
• InP: 1275-1710nm
• Three 3″ wafers for easy prototyping and customization

Contact us about Wafer Growth Services

Wafer Fabrication

Our team of technical experts can provide wafer processing services for your wafers or ours.

• Wet/dry etching
• Dielectric film deposition: Si3N4/SiO2
• E-beam/sputtered metal
• RTP-alloy
• Ion-beam milling
• Plasma-enhanced chemical vapor deposition (PECVD)
• Inductively Coupled Plasma Etching (ICP-RIE)
• Reactive Ion Etch (RIE)

Contact us about Wafer Fabrication Services

Chip and Bar Processing

• Facet passivation
• Custom facet coating
• Flip-chip bonding
• Indium/AuSn bonding
• Automated bar probe testing for in-process yield management.

Contact us about Processing Services

Laser Packaging

• Automated single-mode fiber alignment
• Manual and automated multimode fiber alignment
• Soldering and welding
• Ball and ribbon bonding
• UV epoxy lens attachment
• Hermetic sealing
• Leak, noise and environmental testing
• Electro-optical characterization
• MIL-SPEC design and testing

Contact us about Packaging Services

Test and Reliability

Our test and reliability processes are carried out in our Class 10,000 cleanroom.

• Burn-in and reliability testing
• Multichannel chip-on-submount testing
• 2-pin, 7-pin, 14-pin fiber-coupled package test
• 1000/5000hr single node and nultimode wafer qualification
• Iop standard test up to 50°C and 20% over current. 
• Pre- and post-burn-in L-I-V characterization

Contact us about Testing Services

Featured Article in Cleanroom Technology

Sheaumann Laser recently purchased a new building and successfully upfitted a new 18,000 ft cleanroom to grow, process, and package semiconductor lasers.

READ FULL ARTICLE HERE

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