Abstract: The disclosure provides a hybrid magnet structure which includes two dipole magnets assemblies arranged oppositely, and each dipole magnet assembly includes a permanent magnet, two iron cores, and a moveable magnetic field shunt element. The hybrid magnet structure is adapted to focus particle beams of different positions by applying an adjustable gradient magnetic field in the horizontal or vertical direction of the particle beam. By passing the charged particle beams through the gradient magnetic field established between the two dipole magnets, the aspect of focusing the charged particle beam is achieved. In addition, the intensity of the gradient magnetic field can be altered by adjusting the gap between the movable magnetic field shunt element and the permanent magnet, thereby controlling the particle beam size on a specific axis for different energies or masses of the charge particles.

Abstract: The disclosure provides a hybrid magnet structure which includes two dipole magnets assemblies arranged oppositely, and each dipole magnet assembly includes a permanent magnet, two iron cores, and a moveable magnetic field shunt element. The hybrid magnet structure is adapted to focus particle beams of different positions by applying an adjustable gradient magnetic field in the horizontal or vertical direction of the particle beam. By passing the charged particle beams through the gradient magnetic field established between the two dipole magnets, the aspect of focusing the charged particle beam is achieved. In addition, the intensity of the gradient magnetic field can be altered by adjusting the gap between the movable magnetic field shunt element and the permanent magnet, thereby controlling the particle beam size on a specific axis for different energies or masses of the charge particles.

Abstract: A projector includes at least one light source module, an optical system, an imaging unit, and a projection lens. Each light source module includes a lamp unit and a heat-dissipating module in close contacting with the lamp unit. Each of the at least one light source module is positioned at one end of the optical system. The imaging unit is positioned at the other end of the optical system. The projection lens is positioned at the same end of the optical system with the imaging unit. Each lamp unit can be adjusted along a first direction relative to the heat-dissipating module, each light source module can be adjusted along a second direction relative to the optical system, the first direction and the second direction both perpendicular to the light emitting direction of the corresponding lamp unit.

Abstract: A projector includes at least one light source module, an optical system, an imaging unit, and a projection lens. Each light source module includes a lamp unit and a heat-dissipating module in close contacting with the lamp unit. Each of the at least one light source module is positioned at one end of the optical system. The imaging unit is positioned at the other end of the optical system. The projection lens is positioned at the same end of the optical system with the imaging unit. Each lamp unit can be adjusted along a first direction relative to the heat-dissipating module, each light source module can be adjusted along a second direction relative to the optical system, the first direction and the second direction both perpendicular to the light emitting direction of the corresponding lamp unit.

Abstract: A projector includes a light source, a color wheel, and a Digital Mirror Device. The color wheel is configured for providing rapid color changes in light emitted from the light source. The Digital Mirror Device is configured for forming an optical image according to image information by using light emitted from the light source. The projector includes a first airflow channel and a second airflow channel. The first airflow channel is configured for cooling the light source and the color wheel. The second airflow channel is configured for cooling the Digital Mirror Device. The first airflow channel and the second airflow channel are independent to each other. A method for cooling a projector using zone cooling is also provided.

Abstract: An optical module is composed of three light-guide units and a holder for the units. Each of the light-guide units is made of a mirror plane used for reflecting and transmitting light installed between two prisms via the use of circularly applied glue. The holder includes three installation areas one installation area for each light-guide unit. Additionally, the holder has two frames that are arranged perpendicularly to each other and each frame is installed perpendicularly to the joining sides of two installation areas i.e. one frame is installed perpendicular to the side where installation area 1 and installation area 2 meet and the other frame is installed perpendicular to the side where installation area 2 and installation area 3 meet.

Abstract: A primary circuit board is provided with an opening. A component is mounted on a secondary circuit board. The secondary circuit board is then mounted over the opening of the primary circuit board with the component disposed within the opening. An exposure height of the component over the primary circuit board is thus reduced, the exposure height being measured from a top surface of the component to a top surface of the primary circuit board.