Kolon Industries, Inc.

Samsung Electronics Co., Ltd.

Seoul National University

Yonsei University

Woo-seok Choi

Hee-jung Cho

Jung-soon Jang

Young-shin Park

Min-ho Lee

Min Ho Lee

Hyun Jun Park

Jiwon Shin

An injection-locked clock multiplier includes an oscillator control unit configured to output an injection clock signal with a frequency of N times a reference clock signal, an error detector configured to detect a frequency error indicating whether a frequency of the injection clock signal corresponds to the N times the frequency of the reference clock signal in a first operation mode and configured to detect an error due to injection path non-ideality from the injection clock signal in a second operation mode, and an error adjuster configured to receive one of information on the frequency error and information on the error due to the injection path non-ideality from the error detection unit and configured to adjust an operation frequency of the oscillator based on the frequency error or configured to adjust an operation cycle of the oscillator based on the error due to the injection path non-ideality.

Injection-locked clock multiplier and its operation thereof

The present disclosure relates to a spunbond nonwoven fabric for a base fabric for tile carpet which not only has excellent spinnability during the production of nonwoven fabric and improves tensile strength and tensile elongation, and has the effect of recycling waste such as polyester plastic, by using recycled polyester with optimized intrinsic viscosity, crystallization temperature, and number of foreign matters as a raw material, and a tile carpet using the same.

Spunbonded nonwoven fabric and tile carpet using the same

A semiconductor system including a transmitter configured to output a plurality of data as a plurality of data input/output signals through a plurality of channels based on a matrix E, and a receiver configured to generate the plurality of data by differentially amplifying the plurality of data input/output signals received through the plurality of channels based on a matrix D, in which all components of the matrix E and the matrix D are integers, a product matrix of the matrix D and the matrix E is a diagonal matrix, a sum of the components of each row of the matrix D is 0, and a sum of absolute values of the components of each column of the matrix D is less than or equal to a threshold value.

Semiconductor system

The present disclosure relates to a spunbond nonwoven fabric for a tile carpet base fabric which can manufacture tile carpets with excellent sound absorption performance and tuft withdraw force, including high-thickness nonwoven fabrics made of hollow fibers to which recycled polyester raw materials are applied, and a tile carpet using the same.

Spunbonded nonwoven and tile carpet using the same

The present disclosure relates to a method for producing a nonwoven fabric which improves the impregnation property of a fabric softener in the nonwoven fabric so as to apply the nonwoven fabric to a dryer sheet (sheet-type fabric softener). In a nonwoven fabric made of two types of polyester long fiber mixed filament yarns, by widening the specific surface area, adjusting the evenness deviation to be small and increasing the porosity, the impregnation property of a fabric softener is improved even when the nonwoven fabric is made lightweight, and the nonwoven fabric can be applied to a dryer sheet.

Method for producing polyester nonwoven fabric with improved impregnation property of fabric softener

The present disclosure relates to a method for producing a nonwoven fabric that improves filtration performance when applied as a filter material. By adjusting the modification ratio of the Y-shaped cross-section of polyester filaments constituting the nonwoven fabric, when applied to a filter by increasing a specific surface area of the nonwoven fabric, it increases the collection amount of the materials to be filtered and maintains a low differential pressure, thus enabling long-term use.

Method for producing nonwoven fabric with improved filtration performance

The present disclosure relates to a method for preparing a non-woven fabric which improves impregnation and release properties of a fabric softener in the non-woven fabric in order to apply the non-woven fabric to a dryer sheet (sheet-type fabric softener). When increasing porosity and specific surface area in a non-woven fabric made of two-component blended polyester long fibers, impregnation and release rate of a fabric softener are improved even when the non-woven fabric is lightened, making it possible to apply the non-woven fabric to a dryer sheet.

Growing community of inventors

Seoul, South Korea

Woo-seok Choi