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¢¼ Patent and Utility Model

  [patents]

Country

No.

Title

Germany

Nr.4115230

Verfahren zur Herstellung einer Flussigphasen Diffusionsbindung unter Verwendung eines Elements mit hohem Diffusionsvermogen als Einsbaumaterial

Unites States

5221039

liquid phase diffusion bonding using high diffusivity element as insert material

South Korea

067826

liquid phase diffusion bonding using insert with higher melting point than that of base metal

South Korea

0431090

Lead(Pb)-free solder with lower melting-point coated layer

South Korea

0400606

Fabrication of precoated substrate with lower melting-point lead-free solder

South Korea

0366131

Lowe melting-point solder producing less dross

South Korea

0337933

Measurement of surface tension using wetting curve

South Korea

0356413

Reflow soldering in partial melted state

South Korea

0411144

Fluxless reflow solder bumping using Argon-hydrogen plasma

South Korea

1999-0010176

VACUUM MELTING DEVICE INCORPORATED IN MOLD

South Korea

10-2000-0002957

 A Process for Repairing Rolls by Brazing

South Korea

0711585

Method for bonding a flexible printed circuit substrateand a rigid printed circuit substrate to each other atroom temperature using ultrasonic wave

South Korea

0091578

SOLDERING METHOD

South Korea

0438354

Method to estimate wettability of UBM coated on oneside of sample to molten solder using Wetting BalanceTest

South Korea

057730

METHOD OF MELTING INDUCED DIFFUSION BONDING

  [ Utility mod1els]

Country

No

Title

South Korea

0193705

Fluxless soldering using roll-pressed solder

  

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University of Seoul, Department of Materials Science and Engineering 90, Junnong-dong, Tongdaemun-ku, Seoul 130-743, KOREA
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