What is Base Material Thickness? Base Material Thickness is the thickness of the base material excluding metal foil or material deposited on the surface. Read More
What is Base Material? Base Material is the insulating material upon which a conductive pattern may be formed. It may be rigid or flexible or both. It may be a dielectric or insulated metal sheet. Read More
What is Base Copper? The thin copper foil portion of a copper-clad laminate for PCBs. It can be present on one or both sides of the board. Read More
What is Backup Material? Backup material is a layer composed of phenolic, paper composite, or aluminum foil-clad fiber composite used during fabrication to prevent Burrs and to protect the drill table. Read More
What is B-Stage Resin? B-Stage resin is a thermosetting resin that is in an intermediate state of cure. Read More
What is B-Stage Material? B-Stage material is sheet material impregnated with a resin cured to an intermediate stage (B-stage resin). Prepreg is the popular term. Read More
What is an Automatic Test Equipment (ATE)? Automatic Test Equipment is equipment that automatically analyzes functional or static parameters in order to evaluate performance. Read More
What is an Automated Optical Inspection (AOI)? An automated optical inspection is the visual inspection of the circuit boards using a machine scanner to assess workmanship quality. Read More
