Maker of semiconductor wafers IQE has received its first one million dollar purchase order agreement to deliver volume quantities of its InSb substrates to an industry leader and long-term customer.The order, one of the largest of its kind received to date, will be delivered by its US substrate division, Galaxy Compound Semiconductor. InSb substrates are used in advanced mid-wave infrared imaging technology, which is used across the defence, security, medical and industrial industries. Dr Drew Nelson, the Chief Executive of IQE, said: "We are very pleased to receive this order from a long term customer of our InSb substrate product range. The scale of this commitment reflects our success in being able to offer a volume manufacturing capability for InSb materials. "The investments that we have made to enhance our crystal growth, wafering and substrate polishing capabilities at both Galaxy and Wafer Technology will enable us to fully meet the InSb product demands of our customers, both in terms of volume and quality, across a full 2"-6" product range."Shares had risen 1.58% to 22.85p by 13:08 on Wednesday. NR