Glossary - L's

Latex (r) colloidal aqueous dispersion of rubber.

Light-emitting diode (LED) (sc) a semiconductor device in which the energy of minority carriers in combining with holes is converted to light.

Lip seal (r) a custom seal, static or dynamic, that seals on a flexible extension.

Lithography (sc) process of pattern transfer; when light is utilized, it is termed “photolithography,” and when patterns are small enough to be measured in microns, it is referred to as “microlithography.”

Lot (r) a mass of material or collection of articles of similar composition and characteristics.

Low-pressure chemical vapor deposition (LPCVD) (sc) system with the deposition environment less than atmospheric pressure. Most LPCVD systems use a quartz “boat” (wafer holder) placed in a furnace which is brought up to deposition temperature.

(sc) This term is generally associated with the semiconductor industry.

(r) This term is generally associated with the rubber industry.

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Our specialty is solving sealing problems for original equipment manufacturers. We carry o-rings, seals, custom molded rubber parts, wipers, diaphrams, valves and u-cups in all types of materials including Aegis®, Viton®, Chemraz®, nitrile, buna-n, silicone, rubber, neoprene, polyurethane and teflon encapsulated elastomers. We can help you design any type of seal including a lip seal.