摘要:
A printed circuit board unit includes a printed circuit board and an electronic component. The electronic component is electrically connected to a predetermined position on the printed circuit board by means of soldering while being joined to the printed circuit board using an adhesive layer. The adhesive layer, disposed between the printed circuit board and the electronic component, partially includes a multilayer laminated region including a first reinforcement resin layer and a second reinforcement resin layer. The first reinforcement resin layer is disposed on a side of the printed circuit board, whereas the second reinforcement resin layer is disposed on a side of the electronic component. The second reinforcement resin layer has adhesive strength greater than that of the first reinforcement resin layer.
摘要:
A method for producing an electronic part unit, the method includes: mounting a first electronic part on a first surface of a first substrate by reflow soldering; mounting a second electronic part on a second surface of a second substrate by reflow soldering; adhering a second surface of the first substrate to a first surface of a third substrate; and adhering a second surface of the second substrate to a second surface of the third substrate.
摘要:
In an imaging apparatus constituted of a case body for mounting an imaging device and a flexible substrate bonding to an external connection terminal provided on the case body, the flexible substrate is bent along each face of case body 41 so as to surround case body 41. By bending the flexible substrate, a load applied to the flexible substrate is received at the bent portion of the flexible substrate, there is formed a structure hard to transmit the load to the bonding portion to the external connection terminal. Further, by fixing the case body to a portion of the flexible substrate with an adhesive agent, etc., there is formed a structure not to transmit a stress to the direction of peeling the flexible substrate from the external connection terminal. Also, the case body is covered with the flexible substrate equipped with an electromagnetic wave shield material.
摘要:
In an imaging apparatus constituted of a case body for mounting an imaging device and a flexible substrate bonding to an external connection terminal provided on the case body, the flexible substrate is bent along each face of case body 41 so as to surround case body 41. By bending the flexible substrate, a load applied to the flexible substrate is received at the bent portion of the flexible substrate, there is formed a structure hard to transmit the load to the bonding portion to the external connection terminal. Further, by fixing the case body to a portion of the flexible substrate with an adhesive agent, etc., there is formed a structure not to transmit a stress to the direction of peeling the flexible substrate from the external connection terminal. Also, the case body is covered with the flexible substrate equipped with an electromagnetic wave shield material.
摘要:
A plasma display apparatus has an electronic circuit module including a rigid substrate attached to a chassis thereof and a flexible substrate partially overlapped with the rigid substrate. The rigid substrate has chips and the flexible substrate has a first portion with apertures for exposing the chips and bonding pads and a second portion positioned on the outside of the rigid substrate. Bonding wires connect terminals of the chips with the bonding pads of the flexible substrate. A reinforcing pattern or a dummy pattern is provided in at least the first portion of the flexible substrate. The reinforcing pattern provides for rigidity for the first portion of the flexible substrate for accurate positioning of the bonding pads relative to the chips.
摘要:
A camera module includes a module structure constituted by a lens unit to which an image pickup lens is attached and a package to which an imaging element is attached so as to be opposite to the image pickup lens. An optical filter is arranged between the imaging element and the image pickup lens. A portion of a flat surface of the optical filter is fixed to a filter fixing portion via an adhesive. The optical filter is adhered to the filter fixing portion in a state in which an end portion formed by a side surface of the optical filter and the flat surface is in noncontact with the filter fixing portion or the adhesive. Minute particles generated from a cut surface of the optical filter fall outside the filer fixing portion.
摘要:
A repair system which prevents heating of weakly heat resistant devices together and causing deterioration of the quality when preheating a first surface of the circuit board, wherein an electromagnetic induction material is buried in advance inside the circuit board near a specific electronic device envisioned as needed repair when becoming a defective electronic device in a production process and an electromagnetic coil emitting electromagnetic waves to an electromagnetic induction member in the vicinity of the repair device is provided and the heat generated by the electromagnetic induction member due to the electromagnetic waves enables the repair device to be heated and detached from the circuit board.
摘要:
A flexible printed circuit board that electrically connects a main body and a rotary body to each other is twisted in advance through an angle that is a half of an angle of rotation through which the rotary body is rotated. One end of the flexible printed circuit board is fixed to the main body, and the other end thereof is fixed to the rotary body. The rotary body is rotated in a direction causing the twist of the flexible printed circuit board to diminish.
摘要:
A printed circuit board includes a printed circuit board body and a resin layer. The printed circuit board body includes a plurality of mounting pads. The resin layer, containing a thermoplastic resin, is formed on the surface of the printed circuit board body. The resin layer includes a plurality of holes disposed to be aligned with the positions of the mounting pads on a one-to-one basis for exposing the mounting pads therethrough. In a method of fabricating the printed circuit board, the resin layer is formed atop the printed circuit board body.
摘要:
A repair system which prevents heating of weakly heat resistant devices together and causing deterioration of the quality when preheating a first surface of the circuit board, wherein an electromagnetic induction material is buried in advance inside the circuit board near a specific electronic device envisioned as needed repair when becoming a defective electronic device in a production process and an electromagnetic coil emitting electromagnetic waves to an electromagnetic induction member in the vicinity of the repair device is provided and the heat generated by the electromagnetic induction member due to the electromagnetic waves enables the repair device to be heated and detached from the circuit board.