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Claim 1

A DENDRITE OF SIMICONDUCTOR MATERIAL COMPRISING AN ELONGATED BODY HAVING TWO SUBSTANTIALLY PARALLEL FLAT FACES OF (111) ORIENTATION EXTENDING IN THE LENGTHWISE DIRECTION OF THE DENDRITE, THE DENDRITE HAVING TWO SUBSTANTIALLY SYMMETRICAAL PORTIONS DISPOSED ABOUT A REFERENCE PLANE PERPENDICULAR TO THE FACES AND EXTENDING SUBSTANTIALLY MIDWAY OF THE EDGES ALONG THE LENGTHWISE DIRECTION OF THE DENDRITE A CORE OF THE DENDRITE BEING PRESENT AROUND THE REFERENCE PLANE, SAID CORE AHVING AT LEAST ONE GROUP OF TWIN PLANES DISPOSED THERETHROUGH IN THE <211> DIRECTION, EACH GROUP OF TWIN PLANES BEING COMPRISED OF AT LEAST TWO TWIN PLANES, AND EACH GROUP OF TWIN PLANES BEING SPACED FROM ADJACENT GROUPS BY AT LEAST 1 MIL, EACH SYMMETRICAL PORTION OF THE DENDRRITE DISPOSED ON OPPOSITE SIDES OF THE CORE BEING COMPRISED OF AT LEAST TWO EDGES EXTENDING FROM EACH GROUP OF TWIN PLANESS, EACH LEG BEING SUBSTANTIALLY PERPENDICULAR TO THE SAID REFERENCE PLANE AND EXTENDING OUT FROM THE CORE, AND AN AREA BETWEEN ADJACENT LEGS, EACH OF SAID AREAS EXTENDING FROM THE CORE TO THE EDGES OF THE DENDRITE, AND A FLAT LAYER COMPRISING THE FLAT FACE OF (111) ORIENTATION OF THE DENDRITE GROWN ON THE OUTSIDES SSURFACES OF THE TWO OUTERMOST LEGS, SAID CORE AND LEGS BEING OF ONE TYPE OFF SIMICONDUCTIVITY AND THE FLAT LAYERS AND THE AREA BETWEEN THE LEGS BEING OF AN OPPOSITE TYPE OF SIMICONDUCTIVITY.