Abstract: Methods and systems for dry etching are disclosed. The system includes a wafer clamp ring having a central opening through which a substrate may be treated and a plurality of smaller, outer support holes for receiving pins from plunger assemblies. The outer support holes are tapered and change in diameter. The tapered shape reduces horizontal shifting of the wafer clamp ring which can occur as the wafer clamp ring is moved up-and-down during operational use. The reduced shifting increases wafer yield along the edges of the wafer.

Abstract: A dual colored LED decoration lamp which includes a lamp string combined of multiple dual colored LED lights and a controller connected between the power supply and the lamp string. The lamp string includes lamp groups combined of multiple LED lights with two different colors and with their anodes and cathodes cross-linked. The multiple lamp groups are then connected in series, and each LED light in every lamp group is connected in same direction with the same colored LED light in the next lamp group. The controller controls the variation of the direction of current in aforementioned lamp strings. Thus, the lamp string is able to emit light with different colors by varying the current direction in the same lamp string through the usage of controller, and there is no need to set with multiple lamp strings.

Abstract: A power-saving light string, particularly a battery-powered light string, includes a timing controller mounted to an electrical wire of the light string. The light string is operated to intermittently supply power to bulbs of the light string in an alternate ON/OFF switching fashion that complies with visual persistency of human eyes so as to reduce power consumption.

Abstract: The LED decorative lamp contains a three-terminal LED device, a flexible core for the plugging of the three-terminal LED device, and a seat for the configuration of the flexible core. The seat contains three terminal plates for the electrical contact with the three terminals of the LED device. A lamp string formed by connecting multiple such LED decorative lamps enjoys accurate flash timing, thereby achieving appealing lighting effect.

Abstract: The present invention is to provide a lamp structure improvement in the two-lamps typed decoration lamp string. Each lamp body of the said lamp string is composed of a single soft head, a single soft core and a LED single body of the ordinary half-shaped type separately package-covered with a single lighting crystalline grain then leaned against each other to form a lamp of ordinary shape-and-sized single-piece LED such that the mutually assembled and formed single-piece-shaped LED can have two lighting crystalline grains and form a two-lamps typed lamp body. It thus can effectively lower the manufacturing cost of lamp body in the two-lamps typed decoration lamp string.

Abstract: The LED decorative lamp contains a three-terminal LED device, a flexible core for the plugging of the three-terminal LED device, and a seat for the configuration of the flexible core. The seat contains three terminal plates for the electrical contact with the three terminals of the LED device. A lamp string formed by connecting multiple such LED decorative lamps enjoys accurate flash timing, thereby achieving appealing lighting effect.

Abstract: A dual colored LED decoration lamp which includes a lamp string combined of multiple dual colored LED lights and a controller connected between the power supply and the lamp string. The lamp string includes lamp groups combined of multiple LED lights with two different colors and with their anodes and cathodes cross-linked. The multiple lamp groups are then connected in series, and each LED light in every lamp group is connected in same direction with the same colored LED light in the next lamp group. The controller controls the variation of the direction of current in aforementioned lamp strings. Thus, the lamp string is able to emit light with different colors by varying the current direction in the same lamp string through the usage of controller, and there is no need to set with multiple lamp strings.

Abstract: The present invention is to provide a lamp structure improvement in the two-lamps typed decoration lamp string. Each lamp body of the said lamp string is composed of a single soft head, a single soft core and a LED single body of the ordinary half-shaped type separately package-covered with a single lighting crystalline grain then leaned against each other to form a lamp of ordinary shape-and-sized single-piece LED such that the mutually assembled and formed single-piece-shaped LED can have two lighting crystalline grains and form a two-lamps typed lamp body. It thus can effectively lower the manufacturing cost of lamp body in the two-lamps typed decoration lamp string.

Abstract: An LED Christmas lamp has the lamp stand composed of a main stand, a supporting stand and a conductive lead stand. A positioning protruding surface with a long concave groove is formed in the front side of the containing groove space, and a protruding bar is formed in the relative rear side of the containing groove space. A smaller compartment groove stand is extended in the bottom of the conductive lead stand. An arc shaped protruding groove surface is formed on the joint surface of the compartment stand and containing groove. A lamp laying groove space with protruding stop surfaces in its front and rear sides are formed inside the supporting stand. A positioning cutting surface with a long protruding bar is formed in the front side of the supporting stand and a concave groove is set in the rear side. Then, they are laid in the main stand to let the two pins of LED to be stick with the conductive copper plates of the two power conductive leads smoothly.

Abstract: A dual colored LED decoration lamp which includes a lamp string combined of multiple dual colored LED lamps and a controller connected between the power supply and the lamp string. The lamp string includes lamp groups combined of multiple LED lamps with two different colors and with their anodes and cathodes cross-linked. The multiple lamp groups are then connected in series, and each LED lamp in every lamp group is connected in same direction with the same colored LED lamp in the next lamp group. The controller controls the variation of the direction of current in aforementioned lamp strings. Thus, the lamp string is able to emit light with different colors by varying the current direction in the same lamp string through the usage of controller, and there is no need to set with multiple lamp strings.

Abstract: Disclosed is an illuminating ornament including a cover, a circuit board provided inside the cover, at least one illuminating element, a switch provided with a DC power supply input and an AC-to-DC power supply input and is electrically connected to the circuit board, a DC power supply circuit electrically connected to the circuit board through the DC power supply input, an AC-to-DC supplying circuit electrically connected to the circuit board through the AC-to-DC power supply input of the switch and is provided with an AC-to-DC converting circuit, an AC power input and an AC power output. AC power is converted to DC power by the AC-to-DC converting circuit and provided to the illuminating element through the AC power output.

Abstract: A light string includes a main light string and at least one extension light string. The main light string includes an AC power plug for connecting to an AC power supply, a light string wire circuit connected to the AC power plug, and a plurality of bulb holders connected to the light string wire circuit in series, so that a divided AC voltage of the AC power supply is allocated to each of the bulb holders, and a light emitting element may be mounted in the bulb holder to emit light. The extension light string includes a connector for connecting to any empty one of the bulb holders on the main light string, an AC/DC converting unit connected to the connector, and a plurality of extension bulb holders parallelly connected to DC voltage outputs of the AC/DC converting unit and having a light emitting element mounted therein.

Abstract: A decorative illuminated article adapted for use with a lighting string includes a wiring assembly including a length of wire having a first end and a second end, the first end connected to a male insert, the second end connected to a lighting assembly, a hollow enclosure including a decorative element contained therein and a neck adapted to receive the lighting assembly, and a clip attached to the wire for receiving a light bulb from the lighting string.

Abstract: A night lamp with varicolored lamp shield includes a light bulb, a lamp shield, an optical fiber assembly and a lamp shade. The light bulb is screwed and electrically connected to a lamp holder of a plug for providing illumination. The lamp shield, made of light transmitting material, is formed with holes and rotatably supported on a top end of the light bulb. The lamp shield comprises a plurality of blades with gaps defined therebetween and a plurality of strips of different colors extending downward from the blades. The heat from the light bulb causes an uplift air stream which flows through the gaps and drives the lamp shield to rotate. The optical fiber assembly is mounted to a supporting rod of the lamp shade and includes a plate formed with a plurality of holes, from which a plurality of optical fibers is mounted and extend. The optical fiber assembly also includes a clip for fastening to the neck.

Abstract: A decorative light string includes electrical wires having first and second sections alternating each other, a lamp electrically and mechanically coupled each second section of the wires, a first decoration spherical bead mounted to each first section of the wires with at least a portion of the first section of the wires extending therethrough and a second decoration spherical bead mounted to each second section of the wires and forming an interior space for accommodating the lamp. The number of the first decoration beads mounted to each first section of the wires between adjacent second decoration beads can be set so that the first section of the wires is substantially covered by the first decoration beads between the adjacent second decoration beads.

Abstract: A decorative illuminated article adapted for use with a lighting string includes a wiring assembly including a length of wire having a first end and a second end, the first end connected to a male insert, the second end connected to a lighting assembly, a hollow enclosure including a decorative element contained therein and a neck adapted to receive the lighting assembly, and a clip attached to the wire for receiving a light bulb from the lighting string.

Abstract: This invention relates to an improved flashing light string which includes a connecting electrical wire provided with a plurality of bulb holders to connect with housings with bulbs therein and a bulb-shaped shell is provided with an inner small controller which has a pair of conducting wires to be a controlling apparatus, which can be connected with a housing to be received in any bulb holder of the light string to control the light string having different flashing effects.