What is an Epoxy Smear? An epoxy smear is epoxy resin that has been deposited on edges of copper in holes during drilling either as uniform coating or in scattered patches. It is undesirable because it can electrically is Read More
What is an Epoxy? Epoxy is a family of thermosetting resins. Epoxies form a chemical bond to many metal surfaces. Read More
What is an Entry Material? An entry material is a thin layer of material composed of phenolic, aluminum foil, or paper that is placed on top of the panel prior to drilling to improve drill accuracy and prevent burrs and dent Read More
What is an ENIG? Electroless Nickel under Immersion Gold finish. MCL offers ENIG finish for customers with lead-free product requirements. Read More
What is Electroplating? Electroplating is the electrodeposition of an adherent metal coating on a conductive object. The object to be plated is placed in an electrolyte and connected to one terminal of a direct current (D Read More
What is an Electroless Copper An electroless copper is a thin layer of copper deposited on the plastic or metallic surface of a PCB from an autocatalytic plating solution (without the application of electrical current). Read More
What is an Electrical Test? An electrical test is testing used primarily to test for opens and shorts. MCL recommends testing for all surface mount boards and multilayer orders (4 layers & up). Read More
What is a Dry-Film Soldermask? A dry-film soldermask is a coating material (dry-film resist) applied to the printed circuit board via a lamination process to protect the board from solder or plating. Read More
What are Dry-Film Resists? A dry-film resists is a coating material specifically designed for use in the manufacture of printed circuit boards and chemically machined parts. They are suitable for all photomechanical operatio Read More
