A probe needle having a coaxial structure that facilitates assembly of a probe card. The probe needle is manufactured by covering a central conductive body with an insulative tube, and forming a conductive layer around the insulative tube by superimposing a film of fine conductive grains around the insulative tube.

 
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> Process for transesterification of vegetable oils or animal oils by means of heterogeneous catalysts based on zinc or bismuth, titanium and aluminium
~ 00311