Patent ID: 7070178
Filing Date: 2006-07-04
Classification: H01L

Abstract:
1. A cassette holder arrangement, the holder arrangement comprising: a cassette to hold at least one semiconductor material substrate; a base plate; and a guide member located over and supported by the base plate, the guide member having cassette-directed guides for aligning the cassette along substantially perpendicular axes over the base plate, each cassette-directed guide having a respective end portion protruding to secure the cassette with respect to the base plate upon introduction to the holder arrangement, wherein the respective end portion of each guide has a first side of the guide member which is facing away from the base plate and a second side of the guide member facing toward the base plate, the first and second sides tapered toward one another in a direction toward the protruding end portion so as to form the respective protruding end portion, and arranged at a predetermined distance from the cassette so as to accurately hold the cassette in alignment on the base plate within the predetermined distance of the guides from the cassette; and wherein, viewed in cross-section, the guides demonstrate a trapezoidal, inwardly directed profile.