Glossary - N's

Necking the localized reduction in cross section that may occur in a material under tensile stress.

Negative resist (sc) photoresist that remains in areas that were not protected from exposure by the opaque regions of a mask while being removed by the developer in regions that were protected. A negative image of the mask remains following the development process.

Network (r) a three-dimensional structure formed by interchain or intrachain bonding of polymer molecules in combination with chain entanglements.

Nip (r) the radial clearance between rolls of a mill or calender on a line of centers.

Nitrile (Buna-N) (r) a common hydrocarbon elastomer.

Non-fill (r) defect resulting from the failure of the rubber to fill out all the mold pattern detail.

Non-polar pertaining to an element or compound which has no permanent dipole moment.

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

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

Next O's

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.