Abstract: An electrostatic adsorbing apparatus includes an electrostatic adsorbing plate for adsorbing and laminating a plurality of objects. The adsorbing apparatus has a set of electrodes and the electrostatic adsorbing plate adsorbs and holds sheet-shaped objects by an electrostatic adsorbing force induced by the set of electrodes. The electrodes are arranged like a comb in the electrostatic adsorbing plate, and a plurality of adsorbing portions which extend in the horizontal direction are formed on the surface of the electrostatic adsorbing plate so as to adsorb and laminate a plurality of the sheet-shaped objects such that upper end portions of the objects are slightly vertically offset from each other.

Abstract: A machine unit provided with an electrostatic retention means disposed at a desired position. The electrostatic retention means includes a pair of electrodes, an attraction member associated with the pair of electrodes and in which static electricity is induced so as to generate an electrostatic attraction force which attracts and retains an object, and a power source circuit for supplying positive and negative charges to the pair of electrodes while sequentially and alternately changing the polarity thereof.

Abstract: An electrostatic holding apparatus having, in sequentially laminated relation, an insulating base layer, a set of electrodes to which positive and negative charges are respectively applied, and an adsorbing layer which is induced by the set of electrodes for attracting and holding an object thereagainst by an electrostatic attracting force. A power supply circuit is connected to the set of electrodes for respectively applying positive and negative charges to the first and second electrodes of the set. The power supply circuit includes a DC power source, and also includes a switching arrangement for permitting reversing of the charges as applied to the electrodes so that reverse charges are applied to the electrodes each time a prior object is peeled off the adsorbing layer and a new object is attached thereto.