Insert Carriers

World's Leading Insert Carriers

PR Hoffman is recognized as a leading innovator and manufacturer of Insert Carriers, also known as Polishing Carriers for the semiconductor wafer industry. Our Semiconductor Processing customers report longer life and better TTV using our patented Insert Carriers.

Insert Carrier Handling Instructions (English)
Insert Carrier Handling Instructions (Mandarin)

Custom Designs for Semiconductor Processing

PR Hoffman generates a custom drawing for customer review and approval before any products are made. This added service insures that our customers receive precisely the design needed for their process, on every order.

Custom Materials

Our Insert Carriers feature our exclusive specially formulated materials, and licensed, patented design with our own proprietary processes, to achieve the longest life and highest quality Insert Carriers in the industry.

Plastics

PR Hoffman's Insert Carriers are molded with proprietary grades and blends of long-lasting polymers. We offer a number of custom materials, and are constantly developing versatile new materials for specific customer needs.

Steels

Our Lapping Carriers with molded inserts start with the highest quality spring and stainless steels available from sources worldwide. Spring steel for carriers up to 33 inch are made from a proprietary grade of steel, custom made for PR Hoffman, to achieve the longest life.

* Steel inventories are constantly expanding to meet customer requirements. Please contact PR Hoffman for the most current list of steel sizes available for carrier production.

Carrier Sizes

We inventory over 20 thicknesses of spring steel which allow us to make Insert Carriers up to 34 inches in diameter for virtually any double-sided lapping or polishing machine made in the world.

Wafer Sizes

PR Hoffman can currently supply Insert Carriers for wafers 100 mm, 125 mm, 150 mm, 200 mm, 300 mm and 450 mm in diameter. We are continually developing new products for high-value wafers, and will be ready for the next standard Insert Carrier size.

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