News

News, guides and technical insights on electrostatic chucks (ESCs), ESC repair and semiconductor fab equipment from the ESC Technology team.

LATEST NEWS

Coefficient of Thermal Expansion & Wafer Matching in ESCs

October 9, 2026

Why electrostatic chuck CTE and wafer matching matter: alumina, AlN and silicon expansion, differential stress, particles and thermal uniformity.

Start here

Electrostatic Chucks (ESCs): The Complete Engineering Guide

What an electrostatic chuck (ESC) is, how Coulombic and Johnsen–Rahbek clamping work, ESC materials, wafer sizes, helium backside cooling, dechucking, and repair vs replacement.

ESCT Makes Charitable Donation

As part of our ongoing Ethical Business policy, ESCT has made a donation from 2023 post-tax profit to our chosen charity. MND Scotland supports families at home with MND patient care, and donates to MND medical research.

JMT BECOMES APPROVED ESCT RESELLER

JMT joins the ESCT reseller team. For strategic Japan end user market, JMT is now the supplier for ESC’s supported by ESCT and TEMNEST.

AMAT Lift pins now available

A critical part for any ESC and chamber are lift pins which pick the wafer up for the robot and place back on the ESC. ESCT now supplies new high quality 2nd Source lift pins for AMAT DPS Chambers.

New Business Group Now Open – ESCT Fab Support

ESCT is pleased to announce the launch of a new business division – Fab Support. ESCT Fab Support is aimed at further supporting our existing customers with additional critical, proven products for sustaining or upgrading fab equipment are supplied.

SSSco – SEMICONDUCTOR SUPPORT SERVICES CO BECOMES APPROVED ESC RESELLER!

As a longstanding partner, SSSco has once again committed to promote, sell and support our ESC products for customers in the USA and North America.

SiC WAFERS CHARACTERIZED ON MxP+ ESC

Tests have been completed in our labs to investigate how a SiC wafer performs compared to a standard Si wafer on our MxP+ ESC.

SEUL PTE LTD BECOMES APPROVED ESC RESELLER!

ESCT and TEMNEST are delighted to welcome SEUL as an approved reseller and support partner for our ESC products.

OUR PLEDGE FOR SUSTAINABLE AND ETHICAL BUSINESS

We recently decided to donate 5% of our annual profits to a charity which has global impact. For the year 2024 we have selected MND Research. We have summarised our efforts to contribute for a sustainable future.

ESC TECHNOLOGY INC OPENS IN USA

As part of our expansion with TEMNEST, a new company has opened in the USA. ESCT Inc will better serve our growing North American user base and partner network.

NEW PRODUCT ESC FOR LAM 9600/9400

We have released a new version of our ESC TM207208 for Lam 9600TCP, the “snake” version. The new part number is TM207208-S and is the equivalent to Lam part number 718-043893-801 & – 601 for 200mm and 150mm.