Patent ID: 6913651

Claim:
An apparatus for electroless deposition of a material from a deposition solution in the form of a thin film onto a substrate, comprising: a substrate holder in a sealable working chamber, wherein said substrate holder having a substrate grip mechanism rotatingly and slidingly installed inside said substrate holder, and wherein said sealable working chamber comprises: a removable cover with a tapered edge; and a cup-shaped cover support which is open upward and rigidly attached to a bottom portion of said sealable working chamber, said cup-shaped cover support having a tapered edge engageable with said tapered edge of said removable cover forming a closed space about said substrate holder; first solution supply means for supplying at least one deposition solution into said sealable working chamber, said deposition solution having a predetermined boiling point at a predetermined working pressure; auxiliary solution feeding means; rinsing medium feeding means; a dispensing arm moveable between a position outside said sealable working chamber and a position located in said closed space arranged above and parallel to said substrate in said substrate holder; value means for selectively connecting said dispensing arm with said auxiliary solution feeding means and rinsing medium feeding means; rotating means for rotating said substrate holder in said sealable working chamber around an axis of rotation; moving means for moving said substrate grip mechanism in a direction of said axis of rotation; heating means for heating said deposition solution in order to maintain said deposition solution in a heated state in at least said sealable working chamber; temperature control means for controlling a working temperature of said deposition solution; pressure means for changing a working pressure inside said sealable working chamber; and a pressure control means for maintaining said working pressure inside said sealable working chamber at a value that maintains said deposition solution at a temperature below said predetermined boiling point.