Abstract: Provided is a photocurable conductive black composition including: (a) at least one (meth)acrylate-functionalized urethane oligomer; (b) at least one photopolymerizable compound; (c) a photoinitiator; (d) a visible-light blocking system; (e) conductive fillers; and optionally (f) a thermal initiator. Also provided are a method for forming a cured product composed of the photocurable conductive black compositions, and an article comprising the cured product.

Abstract: Methods and semiconductor devices are provided. A method includes determining a location of a polyimide opening (PIO) corresponding to an under-bump metallization (UBM) feature in a die. The die includes a substrate and an interconnect structure over the substrate. The method also includes determining a location of a stacked via structure in the interconnect structure based on the location of the PIO. The method further includes forming, in the interconnect structure, the stacked via structure comprising at most three stacked contact vias at the location of the PIO.

Abstract: A voltage tracking circuit is provided. The voltage tracking circuit includes first and second P-type transistors and a control circuit. The drain of the first P-type transistor is coupled to a first voltage terminal. The gate and the drain of the second P-type transistor are respectively coupled to the first voltage terminal and a second voltage terminal. The control circuit is coupled to the first and second voltage terminals and generates a control voltage according to the first voltage and the second voltage. The sources of the first and second P-type transistors are coupled to an output terminal of the voltage tracking circuit, and the output voltage is generated at the output terminal. In response to the second voltage being higher than the first voltage, the control circuit generates the control signal to turn off the first P-type transistor.

Abstract: The eyeglasses includes a glasses frame and two temples. The glasses frame has two opposite ends. Each of the two temples has a front end connected pivotally to a respective one of the two opposite ends of the glasses frame. Each of the two temples have a section that is flexible so that, by applying lateral forces to the two temples, the temples are convertible between an outwardly curved state where rear ends of the two temples are spaced apart from each other at a first distance, and an inwardly curved state where the rear ends of the two temples are spaced apart from each other at a second distance that is smaller than the first distance.

Abstract: A temple unit for an eyewear includes two temples each including pivotally connected front and rear segments. The front and rear segments respectively include adjacent rear and front ends. One of the front and rear ends is formed with a protruding portion, and the other one of the front and rear ends is formed with a recess portion. The protruding portion has at least three non-coplanar first flat surfaces defining two convex corner sections. Any two adjacent ones of the first flat surfaces are connected to each other to define one of the convex corner sections. The recess portion has at least two non-coplanar second flat surfaces connected to each other to define a concave corner section engaging a selected one of the convex corner sections so as to position the rear segment relative to the front segment.

Abstract: A temple unit for an eyewear includes two temples each including pivotally connected front and rear segments. The front and rear segments respectively include adjacent rear and front ends. One of the front and rear ends is formed with a protruding portion, and the other one of the front and rear ends is formed with a recess portion. The protruding portion has at least three non-coplanar first flat surfaces defining two convex corner sections. Any two adjacent ones of the first flat surfaces are connected to each other to define one of the convex corner sections. The recess portion has at least two non-coplanar second flat surfaces connected to each other to define a concave corner section engaging a selected one of the convex corner sections so as to position the rear segment relative to the front segment.

Abstract: An eyewear with a multiple fastening mechanism, the multiple fastening mechanism comprising two or more fastening means in contact with, or attached to, a first and second temple of the eyewear. Each of the two or more pairs of fastening means comprises a first part in contact with, or attached to, the first temple and a second part in contact with, or attached to, the second temple. The first and second part of the two or more pairs of fastening means are located at approximately the same place on the first and second temple, respectively, such that they align when the temples are pivoted to a closed position, thereby forming a stable fastening mechanism.

Abstract: An eyewear includes a lens frame, a first lens unit and an adjustment unit. The first lens unit is disposed in the lens frame and includes a plurality of lenses that are aligned in a front-rear direction. At least one of the lenses is a movable lens that is movable relative to the lens frame and that has a plurality of correction zones. The correction zones have different curvatures and are arranged in a top-bottom direction. The adjustment unit is disposed on the lens frame, and is operable to move the movable lens in the top-bottom direction relative to the lens frame.

Abstract: An electrode configured for use in a direct current electrical stimulation system, which includes a control circuit configured to provide a stimulating current, includes a main body and a plurality of pin members. The main body is electrically coupled to the control circuit to receive the stimulating current therefrom and includes a base wall and a surrounding wall cooperating with the base wall to define a receiving space for receiving an electrically conductive liquid. The pin members extend from the main body, are in fluid communication with the receiving space, and permit delivery of the electrically conductive liquid to a subject when the pin members are placed in direct contact with the subject.

Abstract: A fluid lens assembly includes: a fluid lens unit including at least one fluid lens; a temple unit connected to the fluid lens unit and having a reservoir; at least one fluid adjusting unit counted to the temple unit and including a piston head that is mounted in the reservoir, a plunger that is connected to the piston head, and a driving member that is mounted movably to the temple unit and that is coupled to the plunger for driving sliding movement of the plunger and the piston head relative to the temple unit; a toothed element formed on one of the plunger and the driving member; and a latch member connected to the temple unit and movable relative to the temple unit and the plunger to engage releasably the toothed element.

Abstract: A cranial electrotherapy stimulation (CES) device includes a head support, a control unit configured to provide a stimulating current, and a primary arm module. The primary arm module includes a primary arm and an electrode unit. The primary arm is pivotally connected to the head support and is longitudinally extendible. The electrode unit is disposed at the primary arm and includes an electrode that is electrically coupled to the control unit and that forms a path for transmission of the stimulating current to a stimulating point of a subject when the electrode is placed in direct contact with the stimulating point.

Abstract: An electrode configured for use in a direct current electrical stimulation system, which includes a control circuit configured to provide a stimulating current, includes a main body and a plurality of pin members. The main body is electrically coupled to the control circuit to receive the stimulating current therefrom and includes a base wall and a surrounding wall cooperating with the base wall to define a receiving space for receiving an electrically conductive liquid. The pin members extend from the main body, are in fluid communication with the receiving space, and permit delivery of the electrically conductive liquid to a subject when the pin members are placed in direct contact with the subject.

Abstract: A cranial electrotherapy stimulation (CES) device includes a head support, a control unit configured to provide a stimulating current, and a primary arm module. The primary arm module includes a primary arm and an electrode unit. The primary arm is pivotally connected to the head support and is longitudinally extendible. The electrode unit is disposed at the primary arm and includes an electrode that is electrically coupled to the control unit and that forms a path for transmission of the stimulating current to a stimulating point of a subject when the electrode is placed in direct contact with the stimulating point.

Abstract: A probe for high frequency signal transmission includes a metal pin, and a metal line spacedly arranged on and electrically insulated from the metal pin and electrically connected to grounding potential so as to maintain the characteristic impedance of the probe upon transmitting high frequency signal. The maximum diameter of the probe is substantially equal to or smaller than two times of the diameter of the metal pin. Under this circumstance, a big amount of probes can be installed in a probe card for probing a big amount of electronic devices, so that a wafer-level electronic test can be achieved efficiently and rapidly.

Abstract: A probe for high frequency signal transmission includes a metal pin, and a metal line spacedly arranged on and electrically insulated from the metal pin and electrically connected to grounding potential so as to maintain the characteristic impedance of the probe upon transmitting high frequency signal. The maximum diameter of the probe is substantially equal to or smaller than two times of the diameter of the metal pin. Under this circumstance, a big amount of probes can be installed in a probe card for probing a big amount of electronic devices, so that a wafer-level electronic test can be achieved efficiently and rapidly.

Abstract: A probe for high frequency signal transmission includes a metal pin, and a metal line spacedly arranged on and electrically insulated from the metal pin and electrically connected to grounding potential so as to maintain the characteristic impedance of the probe upon transmitting high frequency signal. The maximum diameter of the probe is substantially equal to or smaller than two times of the diameter of the metal pin. Under this circumstance, a big amount of probes can be installed in a probe card for probing a big amount of electronic devices, so that a wafer-level electronic test can be achieved efficiently and rapidly.

Abstract: A probe for high frequency signal transmission includes a metal pin, and a metal line spacedly arranged on and electrically insulated from the metal pin and electrically connected to grounding potential so as to maintain the characteristic impedance of the probe upon transmitting high frequency signal. The maximum diameter of the probe is substantially equal to or smaller than two times of the diameter of the metal pin. Under this circumstance, a big amount of probes can be installed in a probe card for probing a big amount of electronic devices, so that a wafer-level electronic test can be achieved efficiently and rapidly.

Abstract: An eyeglass device includes a primary frame and an auxiliary frame for receiving two primary lenses and two auxiliary lenses respectively. The primary frame includes two brow portions and two primary magnetic members disposed respectively on the two brow portions or on top edges of the two primary lenses. Each of the primary magnetic members has a magnetic surface facing upwards or downwards or rearwards. The auxiliary frame includes two brow portions and two auxiliary magnetic members disposed respectively on the two brow portions or on top edges of the two auxiliary lenses to be mutually magnetically attachable with the two primary magnetic members.

Abstract: A number of eyeglass frames with resilient structures and shields that have wide applicability are described. In one embodiment, an auxiliary frame has a resilient structure at its bridge area, and non-uniform shields. The shields have openings at their sides and retaining mechanisms. Due to its resilient nature, the auxiliary frame is adaptable to after-market sales for primary frames. In yet another embodiment, a primary frame has a resilient structure at its bridge area and has shields. Such a primary frame again allows it to be comfortably fitted to people whose heads are of different sizes and shapes.

Abstract: A number of eyeglass frames with resilient structures and shields that have wide applicability are described. In one embodiment, an auxiliary frame has a resilient structure at its bridge area, and non-uniform shields. The shields have openings at their sides and retaining mechanisms. Due to its resilient nature, the auxiliary frame is adaptable to after-market sales for primary frames. In yet another embodiment, a primary frame has a resilient structure at its bridge area and has shields. Such a primary frame again allows it to be comfortably fitted to people whose heads are of different sizes and shapes.