Dictionary

Text Term / Abbr Acronym
Kovar Kovar An alloy of 53% iron, 17% cobalt, 29% nikel and trace elements, with a thermal expansion approximately matching that of alumina ceramics and sealing glasses.
Laminate Laminate A product made by bonding together two or more layers of material.
Laminate Void Laminate Void The absence of resin or adhesive in an area that normally contains them.
Land Grid Array (LGA) Land Grid Array (LGA) A generic rectangular component package with termination lands located in a grid pattern on the bottom of the package.
Laser Trimming Laser Trimming The modification of a film component's value by the partial removal of film by applying heat from a focused laser beam.
Lead Free (Solder) Lead Free (Solder) An alloy that does not contain more than 0.1% lead (Pb) by weight as its constituent and is used for joining components to substrates or for coating surfaces.
Mask Mask A coating material, in a specific pattern, that is used to mask or protect selected areas of conductive circuitry during manufacturing or testing from the action of an etchant, plating, solder, etc.
Meniscus Meniscus The contour (convex or concave) of a shape that is the result of the surface-tension forces that take place during wetting.
Moisture Sensitivity Level (MSL) Moisture Sensitivity Level (MSL) An alphanumeric rating indicating a plastic electronic device's susceptibility to damage due to absorbed moisture when subjected to reflow soldering.
Mouse Bite (Low Stress Breakaway) Mouse Bite (Low Stress Breakaway) The drill pattern that furnishes a break point.