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Raintree Scientific Instruments (Shanghai) Corporation

Lisong Liu

Jessica Sofia Liu

A computer-implemented image pattern matching method for wafer alignment is provided, for determining an overall similarity value and an overall geometry relationship between a target wafer image and a model wafer image. The method includes: determining a plurality of model patterns in the model wafer image; searching the target wafer image to identify a plurality of target patterns, thereby generating a plurality of matches each including a respective target pattern and model pattern; selecting, using multiple threshold values, ones of the plurality of matches according to a plurality of similarity values; and determining, using a predetermined algorithm and the selected ones of the matches, the overall similarity value and the overall geometry relationship between the target wafer image and the model wafer image.

Image pattern matching systems and methods for wafer alignment

The present invention provides mounting members useable for fastening two objects together and their mounting tools. In one embodiment, the mounting member includes a first tapered tip and an opposite, second tapered tip defining a shank therebetween, where the shank has an exterior surface and a structure formed on the exterior surface.

Two-way nails, two-way screws and their mounting tools

A wire connector for connecting a printed circuit pad or line on a flat surface with an outlet wire. In one embodiment, the connector includes a connection member having a conductive member having a first end portion and a second end portion, and an insulting cover formed around the conductive member such that the first end portion and the second end portion of the conductive member are exposed outside the insulating cover, and a boot having a bottom portion, a top portion and a bowl-like body formed therebetween, where the bottom portion has a flat bottom surface, the top portion defines an opening, and the bowl-like body has a height defined the bottom portion and the top portion. As assembled, the insulting cover of the connection member is received and accommodated tightly by the opening of the boot such that the first and second end portions of the conductive member are respectively located outside and inside the boot.

Connector for connecting printed surface area or line with conductive wire

A baseball board game comprising three game boards, two of which represent offensive and defensive players, the third of which represents the field of play. The field of play board is generally in the shape of a baseball diamond, but is divided into vertical and horizontal polar coordinates. The field of play also has zones upon it to account for scoring, balls, strikes and player positioning. A ball shaped marker is used to designate the position of the ball on the field and player markers designate the position of players on the field. The game may be played with either specially marked dice and one player board or with the use of the two player boards. Each of the player boards can be interchangeably used as the offensive or defensive team. Each player board illustrates a zone for an air or ground ball, a six by six coordinate system for placement of a hit ball, a bad ball zone and a stolen base zone.

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Fremont, CA, United States of America

Lisong Liu