摘要:
A coordinate measuring machine (1) including a plane (25a) in which there is arranged a movable measurement table (20) moving the mask (2) correspondingly in the plane (25a), at least one objective (9) and a detector (11), an incident light source (14) arranged to provide incident light and/or a transmitted light source (6) arranged to provide transmitted light, wherein the mask (2) has at least a first area (41) and a second area (42), wherein the first area (41) and the second area (42) comprise different materials differing in their transmission or reflection properties.
摘要:
A coordinate measuring machine (1) including a plane (25a) in which there is arranged a movable measurement table (20) moving the mask (2) correspondingly in the plane (25a), at least one objective (9) and a detector (11), an incident light source (14) arranged to provide incident light and/or a transmitted light source (6) arranged to provide transmitted light, wherein the mask (2) has at least a first area (41) and a second area (42), wherein the first area (41) and the second area (42) comprise different materials differing in their transmission or reflection properties.
摘要:
A system and a method for determining positions of structures on a substrate are disclosed. The system includes at least one measurement table (20) movable in the X-coordinate direction and in the Y-coordinate direction, a measurement objective (9) and a camera for determining the positions of the structures (3) on the substrate (2). The position of the measurement objective (9) and/or the measurement table (20) may be determined by at least one interferometer (24). The system is surrounded by a housing representing a climatic chamber (50) provided with an active pressure regulation.
摘要:
A method and an apparatus are disclosed, whereby an improvement of the measuring accuracy in the determination of structural data is facilitated. A first detector unit (15a) is provided for receiving the light reflected or transmitted by structures applied on the microscopic component (2). A second detector (15b) is provided for detecting the illumination intensity emitted by the at least one light source, and a computer (18) for determining the structural data from the light received by the first detector unit (15a) and the second detector (15).
摘要:
A coordinate measuring machine (1) for measuring structures (3) on a substrate (2) including a measurement table (20) movable in the X-coordinate direction and in the Y-coordinate direction, a measurement objective (9), at least one laser interferometer (24) for determining the position of the measurement table (20) and the measurement objective (9) wherein the measurement table (20), the measurement objective (9) and the at least one laser interferometer (24) are arranged in a vacuum chamber (50).
摘要:
A method and a device for improving the measurement accuracy in the nm range for optical systems are disclosed. The object is provided with a plurality of structures oriented in the X and Y-coordinate direction. The light beam coming from at least one light source defines an optical illumination path.
摘要:
What is disclosed is a device (1) for automatic detection of a possible incorrect measurement, wherein the device (1) comprises at least one reflected light illumination apparatus (14) and/or a transmitted light illumination apparatus (6) and at least one imaging optical system (9) and one detector (11) of a camera (10) for imaging structures (3) on a substrate (2), wherein a first program portion (17) is linked to the detector (11) of the camera (10), said detector being provided for determining the position and/or dimension of the structure (3) on the substrate (2), wherein the device (1) determines and records a plurality of measurement variables Mj, jε{1, . . . , L}, from which at least one variable G can be determined, wherein a second program portion (18) is linked to the detector (11) of the camera (10), said program portion calculating an analysis of the measurement variables Mj with regard to a possible incorrect measurement. Also disclosed is a method for automatic detection of a possible incorrect measurement wherein an analysis of the measurement variables Mj with regard to a possible incorrect measurement is calculated with a second program portion (18) which is linked to the detector (11) of the camera (10).
摘要:
A system and a method for determining positions of structures on a substrate are disclosed. The system includes at least one measurement table (20) movable in the X-coordinate direction and in the Y-coordinate direction, a measurement objective (9) and a camera for determining the positions of the structures (3) on the substrate (2). The position of the measurement objective (9) and/or the measurement table (20) may be determined by at least one interferometer (24). The system is surrounded by a housing representing a climatic chamber (50) provided with an active pressure regulation.
摘要:
A coordinate measuring machine (1) for measuring structures (3) on a substrate (2) including a measurement table (20) movable in the X-coordinate direction and in the Y-coordinate direction, a measurement objective (9), at least one laser interferometer (24) for determining the position of the measurement table (20) and the measurement objective (9) wherein the measurement table (20), the measurement objective (9) and the at least one laser interferometer (24) are arranged in a vacuum chamber (50).
摘要:
What is disclosed is a device (1) for automatic detection of a possible incorrect measurement, wherein the device (1) comprises at least one reflected light illumination apparatus (14) and/or a transmitted light illumination apparatus (6) and at least one imaging optical system (9) and one detector (11) of a camera (10) for imaging structures (3) on a substrate (2), wherein a first program portion (17) is linked to the detector (11) of the camera (10), said detector being provided for determining the position and/or dimension of the structure (3) on the substrate (2), wherein the device (1) determines and records a plurality of measurement variables Mj, j ε {1, . . . , L}, from which at least one variable G can be determined, wherein a second program portion (18) is linked to the detector (11) of the camera (10), said program portion calculating an analysis of the measurement variables Mj with regard to a possible incorrect measurement. Also disclosed is a method for automatic detection of a possible incorrect measurement wherein an analysis of the measurement variables Mj with regard to a possible incorrect measurement is calculated with a second program portion (18) which is linked to the detector (11) of the camera (10).