Nuclear Start-Up & Fuel Scanner Sealed Radioactive Sources

Sealed Radioactive Sources

QSA Global, Inc. has over 40 years of experience developing and manufacturing premium-quality Californium-252 (Cf-252) neutron sources for Nuclear Start-Up Rod Assemblies (NSA), Primary Neutron Sources (PNS), and Fuel Scanning applications. We also manufacture Antimony Beryllium (SbBe) for NSAs as secondary neutron sources.

QSA Global, Inc. provides unparalleled technical expertise to ensure your sealed radioactive sources are designed to your unique requirements while being safe and reliable.


Experts in Custom Cf-252 Source Design

QSA Global, Inc. has a long history, spanning several decades, designing and manufacturing custom reactor Cf-252 neutron start-up and fuel scanner sources for many nuclear power plants and fuel manufacturers worldwide, including Westinghouse®, GE®, and Framatome®.

Our engineers collaborate with you on your isotopic and thermal requirements, provide technical guidance on capsule dimensions, interface, assembly, and handling features, and tailor your Cf-252 sources to your unique neutron output specifications and tolerances.

Custom Cf-252 source procurement for reactor start-up companies involves many steps and can span years. QSA Global, Inc. understands this journey well and can support you from the initial concepts through delivery and long after.

Isotopes Detail

IsotopeTypeActivity Range
Cf-252Neutron SourceUp to 3 mg (1.6 Ci / 60 GBq)
Sb/BeSecondary Neutron SourceN/A