IBM Opens Up Design of Its Blade Servers  NEW YORK (Reuters) - International Business Machines Corp.  &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=IBM.N qtype=sym infotype=info qcat=news"&gt;IBM.N&lt;/A&gt; said it is making the design of its "blade" computer  servers widely available, in a move designed to gain wider  acceptability in data centers and the telecommunications  industry.