Patent application number | Description | Published |
20140111790 | PRETREATMENT METHOD AND APPARATUS - There is provided a method for performing a pretreatment on an unknown sample including: preparing a plurality of different types of first solutions; adding an unknown sample to the plurality of first solutions and determining whether or not the unknown sample is dissolved; selecting one among the plurality of first solutions in which the unknown sample is dissolved; preparing a plurality of second solution by differentiating concentrations of the selected solution; adding an unknown sample to the second solution and determining whether or not the unknown sample is dissolved; selecting a solution having the lowest concentration in which the unknown sample can be dissolved from among the second solutions; and dissolving the unknown sample by using the solution having the lowest concentration. | 04-24-2014 |
20140131081 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a printed circuit board, including: a base substrate on which a connection pad is formed; a dam spaced apart from one side of the connection pad; and a protective layer formed to surround the dam. | 05-15-2014 |
20140147926 | METHOD OF ANALYZING ALDEHYDE COMPOUND IN METAL PLATING SOLUTION - This invention relates to a method of analyzing an aldehyde compound in a metal plating solution, including adding a pH control solution to an aldehyde derivative, thus preparing an oversaturated aldehyde derivative solution in which the aldehyde derivative is dissolved to be oversaturated while the pH of the aldehyde derivative solution is adjusted to be the same as that of the metal plating solution; adding the oversaturated aldehyde derivative solution to the metal plating solution, so that the aldehyde compound which is present in the metal plating solution undergoes derivation, thus obtaining an aldehyde derivative compound; extracting the aldehyde derivative compound; and analyzing the aldehyde compound from the extracted aldehyde derivative compound. | 05-29-2014 |