Patent ID: 7510226
Filing Date: 2009-03-31
Classification: B65G,H01L,Y10S

Abstract:
1. A non-contact holder comprising: a body having an ejection recess having an ejection opening from which a fluid is ejected and a side surface gradually diverging toward the ejection opening; discharge ports provided at positions adjacent to the side surface of the ejection recess of the body to discharge the fluid along the side surface in the axial direction; a first fluid supply channel provided inside the body and connected to the discharge ports to supply the fluid to the discharge ports; a flat end surface formed integrally with an outer edge of the body around the ejection opening so as to oppose to a surface of an object to be held opposing to the ejection opening to guide the flow of the fluid to an outside of the opposing surface of the object to be held; and a plurality of second fluid supply channels disposed to be connected respectively to fluid supply ports provided in a peripheral surface of the body in the radial direction.