Technical articles & research notes
Practical guides for packaging engineers — plus material characterization data from FerraLink ALN and single-crystal SiC submount lots.
Featured

SiC Submounts for US Engineers: Supply, Qualification, and Lead Times
Why single-crystal SiC submounts are scarce in the US, what qualified supply looks like, and how FerraLink delivers 350–400 W/m·K thermal performance with 2–4 week lead times.
Read article →
Single-Crystal SiC vs Polycrystalline ALN: A Microstructure Explanation
Why single-crystal SiC reaches 350–400 W/m·K while polycrystalline ALN stops at 170–210 W/m·K — phonon scattering at grain boundaries, explained with SEM micrographs from FerraLink material lots.
Read article →
SiC Submount Lead Times and MOQ: What US Engineers Should Expect
Typical lead times, MOQs, and pricing dynamics for single-crystal SiC submounts from US, Japanese, and distributor channels — and what FerraLink offers instead.
Read article →
How to Read an EDS Spectrum for Ceramic Submount Incoming Inspection
Energy-dispersive X-ray spectroscopy confirms ALN and SiC composition at receiving inspection. Example spectra from FerraLink material lots with interpretation guidance.
Read article →FMCW vs. Pulsed LiDAR: What the Packaging Requirements Tell You
Submount material, package format, TEC, and optical window requirements differ fundamentally between FMCW coherent lidar at 1550 nm and pulsed ToF at 905 nm. A full breakdown for packaging engineers.
Read article →All articles
SiC Submounts for US Engineers: Supply, Qualification, and Lead Times
Single-Crystal SiC vs Polycrystalline ALN: A Microstructure Explanation
SiC Submount Lead Times and MOQ: What US Engineers Should Expect
How to Read an EDS Spectrum for Ceramic Submount Incoming Inspection
FMCW vs. Pulsed LiDAR: What the Packaging Requirements Tell You
Thermal Path Design for Pulsed LiDAR Emitters: Junction to Heat Sink
GaN RF Power Module Submount Selection: SiC vs ALN vs Cu-Mo-Cu
What Is a Laser Diode Submount? Types, Materials, and Selection Guide
ALN vs SiC Submounts: Thermal Conductivity, CTE, and Cost Comparison
Cooled vs. Uncooled TO56/TO60: When Do You Need a TEC?
AuSn Pre-deposited Submounts: Why They Improve Assembly Yield
TO18, TO46, TO56, TO60: Which Laser Diode Header for Your Application?
Hermetic Packaging for LiDAR Applications
How to Qualify a Ceramic Substrate Supplier
How to Reduce Laser Packaging Costs Without Compromising Hermeticity
Evaluate FerraLink materials in your lab
Single-crystal SiC and polycrystalline ALN sample boxes ship in 2–4 weeks with SEM/EDS characterization data.

