A Chinese takeover bid for Aixtron of Germany collapsed Thursday, a week after US President Barack Obama blocked the deal on national-security grounds, according to a statement from the buyer.

US President Barack Obama appeared to block a Chinese company from buying Germany's Aixtron SE, marking only the third time in more than a quarter century that the White House has rejected an overseas buyer as a national security risk.

In a surprise move on Monday, the German authorities withdrew approval for the takeover of a domestic semiconductor firm by a Chinese bidder, a deal that was set to be an emblem of a new push by Chinese companies to acquire cutting-edge technology businesses and a sign of Berlin's tolerance for such moves.

For third-quarter 2011, deposition equipment maker Aixtron SE of Herzogenrath, Germany has reported revenue of ??9.8m (down 49% on ??75.6m last quarter and 58% on ??12.7m a year ago).

The general market slowdown in lighting is affecting companies in all parts of the supply chain, delaying Siemens' intended initial public offering of Osram, while public companies take a hit in the stock market.

Osram AG (Munich, Germany), the lighting subsidiary of Siemens AG, is celebrating the opening of a pilot-line manufacturing plant for organic light-emitting diodes (OLEDs).

Aixtron and SINANO signed an agreement to open a training center in Suzhou Industrial Park, China, while Aixtron has also introduced its largest MOCVD reactor to date.

Aixtron and Veeco dominate what's known as the MOCVD market for LED applications and have been seeing strong demand amid increasing display sales for items such as TVs. But some investors have worried demand and bookings could soon weaken as the LED market sees excess supply.

Deposition equipment maker Aixtron AG of Aachen, Germany has reported revenue of ？274.4m for full-year 2008, up 28% on 2007’s ？214.8m (and the third consecutive year of growth).

(the industry is now in a) digestion phase, during which the semiconductor market will absorb the production capacity built up over the past quarters.

AIXTRON AG today announced an order from Formosa Epitaxy Inc. (FOREPI) for further six CRIUS Close Coupled Showerhead MOCVD systems received in the first quarter of 2008.