A printed circuit board according to various embodiments of the disclosure includes a plurality of layers in which at least one opening is formed and at least one antenna included in at least one layer among the plurality of layers, and the at least one opening is located within a specified distance from the at least one antenna and is formed through at least one of the plurality of layers.

A component mounting machine includes a head having a holding member configured to hold the component, and a control device. The control device performs a pre-mounting inspection for inspecting a state of a component held in the holding member, and controls the head so that the component held in the holding member is mounted on the board in a case where a determination of normality is made in the pre-mounting inspection. In addition, the control device performs a post-mounting inspection for inspecting a state of the component already mounted on the board by the head in a case where a determination of abnormality is made in the pre-mounting inspection or in a case where a determination of abnormality suspicion is made which is within an allowable range determined to be normal but is suspected to be abnormal in the pre-mounting inspection.

A component supply device, configured to supply an electrical component in a state of being placed in a placement section, comprising: multiple placement sections, in which an electrical component positioned by a positioning section is placed in each placement section, and a detection device, configured to detect displacement in the up-down direction of the electrical components placed in the multiple placement sections.

An electronic apparatus including a display and one or more processor is disclosed. The one or more processor is configured to: divide a first error value of each of a plurality of first components with respect to a mounting position acquired through inspection of a plurality of substrates of a first type, into a plurality of error values, generate a graph of a tree structure including a plurality of nodes corresponding to the plurality of first components, component types of each of the plurality of first components and a plurality of components included in a mounter, adjust attributes of each of the plurality of nodes using the plurality of error values divided from the first error value of each of the plurality of first components, and display the graph in which the attributes of each of the plurality of nodes are adjusted, on the display.

An electronic apparatus including a display and one or more processor is disclosed. The one or more processor is configured to: divide a first error value of each of a plurality of first components with respect to a mounting position acquired through inspection of a plurality of substrates of a first type, into a plurality of error values, generate a graph of a tree structure including a plurality of nodes corresponding to the plurality of first components, component types of each of the plurality of first components and a plurality of components included in a mounter, adjust attributes of each of the plurality of nodes using the plurality of error values divided from the first error value of each of the plurality of first components, and display the graph in which the attributes of each of the plurality of nodes are adjusted, on the display.

A component mounting system includes a component mounting line in which a plurality of processing devices are connected to constitute the component mounting line and a management device (management computer) connected to the component mounting line by a network, and each of the plurality of processing devices can be remotely operated via the network by an input unit of the management device. In this component mounting system, a remote operation right allowing a remote operation is set with respect to the management device (ST21), and the remote operation right set with respect to the management device is released (ST23) in a case where a specific operation set in advance with respect to the one or more processing devices is performed (Yes in ST41) in a state where the remote operation right is set with respect to the management device.

According to certain embodiments, an electronic device comprises: a front case including a seating portion, and a display module disposed in the seating portion; wherein the front case includes a first fiducial mark, wherein the first fiducial mark includes: a first fiducial gap; a first area surrounding at least a portion of the first fiducial gap having a first surface roughness; and a second area exclusive with the first area, having a second surface roughness that is different from the first surface roughness.

Apparatus and methods for determining wafer characters are disclosed. In one example, an apparatus is disclosed. The apparatus includes: a processing tool configured to process a semiconductor wafer; a device configured to read an optical character disposed on the semiconductor wafer while the semiconductor wafer is located at the apparatus for wafer fabrication; and a controller configured to determine whether the optical character matches a predetermined character corresponding to the semiconductor wafer based on the optical character read in real-time at the apparatus.

A component mounting method for using a component mounting tool which includes a plurality of claw sections that pinch and pick up a component at a component supply position, and release the component on a board to mount the component onto a predetermined position of the board, and which is mounted to be capable of moving between the component supply position and the board, includes determining pinching locations of the component to be pinched by the plurality of claw sections such that positions and a release operation of the plurality of claw sections do not interfere with mounted components which are already mounted on the board when the plurality of claw sections release the component.

A component mounting method for using a component mounting tool which includes a plurality of claw sections that pinch and pick up a component at a component supply position, and release the component on a board to mount the component onto a predetermined position of the board, and which is mounted to be capable of moving between the component supply position and the board, includes determining pinching locations of the component to be pinched by the plurality of claw sections such that positions and a release operation of the plurality of claw sections do not interfere with mounted components which are already mounted on the board when the plurality of claw sections release the component.