Patent application number | Description | Published |
20140042605 | LEAD FRAME PACKAGE AND METHOD FOR MANUFACTURING THE SAME - In one embodiment, a lead frame package structure includes a lead frame having sides that surround a die paddle and on which a plurality of leads are formed. An electronic chip is attached to the die paddle and a case is attached to the lead frame to seal the leads and the electronic chip. One or more discharge holes are formed on and extending through one or more specific leads and/or on and extending through a predetermined position of the die paddle. The discharge holes are configured to discharge air pressure that forms during the assembly process thereby improving the reliability of the packaged electronic chip. | 02-13-2014 |
20140131848 | LAND STRUCTURE FOR SEMICONDUCTOR PACKAGE AND METHOD THEREFOR - In one embodiment, a method for forming a package substrate includes selectively removing portions of a lead frame to form cavities and filling the cavities with a resin layer to define an adhesion pad and a land structure. Top portions of the lead frame are selectively removed to isolate the adhesion pad and the land structure from each other, to expose a top surface of the resin layer, and to form at least one land having a part with a relatively greater size than the size of a respective lower part. | 05-15-2014 |
20150041324 | MICROFLUIDIC SENSOR PACKAGE STRUCTURE AND METHOD - In one embodiment, a microfluidic sensor device includes microfluidic sensor mounted on and electrically connected a micro lead frame substrate. The microfluidic sensor is molded to form a package body. The package body includes a molded panel portion and, in some embodiments, a mask portion having one or more open channels, sealed channels, and/or a sealed chamber exposing an active surface of the microfluidic sensor. The molded panel portions and mask portions are configured to allow a material to dynamically or statically contact the microfluidic sensor for analysis. | 02-12-2015 |
20150115422 | SEMICONDUCTOR PACKAGE AND METHOD THEREFOR - In one embodiment, an electronic package structure includes a lead having a first width. An electronic chip having a conductive bump on a major surface, the conductive bump has a second width greater than the first width. The conductive bump is attached to the lead such that a portion of the conductive bump extends to at least partially surround a side surface of the lead. A molding compound resin encapsulates the electronic chip, the conductive bump, and at least a portion of the lead. The lead is configured so strengthen the joining force between the lead and conductive bump. | 04-30-2015 |
20150279767 | LEAD FRAME PACKAGE AND METHOD FOR MANUFACTURING THE SAME - In one embodiment, a lead frame package structure includes a lead frame having sides that surround a die paddle and on which a plurality of leads are formed. An electronic chip is attached to the die paddle and a case is attached to the lead frame to seal the leads and the electronic chip. One or more discharge holes are formed on and extending through one or more specific leads and/or on and extending through a predetermined position of the die paddle. The discharge holes are configured to discharge air pressure that forms during the assembly process thereby improving the reliability of the packaged electronic chip. | 10-01-2015 |
20160027753 | SEMICONDUCTOR DEVICE HAVING SINGLE LAYER SUBSTRATE AND METHOD - In one embodiment, a semiconductor device includes a single layer substrate having an insulation layer and conductive patterns on a first surface of the insulation layer. A semiconductor die is attached on a first surface of the single layer substrate and electrically connected to the conductive patterns. Conductive bumps are also on the first surface of the single layer substrate and electrically connected to the semiconductor die through the conductive patterns. An encapsulant overlaps at least portions of the first surface of the single layer substrate. The conductive bumps are at least partially exposed in the encapsulant. | 01-28-2016 |
Patent application number | Description | Published |
20100114043 | Hollow Type Microneedle and Methods for Preparing It - Disclosed herein are hollow microneedles and a fabrication method thereof. The microneedles are small in diameter and are long and hard enough to pass through the stratum corneum. Therefore, the hollow microneedle of the present invention can be used in blood sampling or drug injection through the skin. | 05-06-2010 |
20110240201 | METHOD OF MANUFACTURING MICROSTRUCTURE - Provided are methods of manufacturing microstructures, in which at least one viscous composition each containing at least one active ingredient is disposed directly or indirectly on a first substrate and/or a second substrate and the viscous composition(s) is elongated between the first and second substrates. The methods are simpler and more cost-effective. | 10-06-2011 |
20140364764 | DEVICE FOR COLLECTING BODY FLUIDS - The present invention relates to a device for collecting body fluids, the device comprising: (a) an internal pressure adjustment means for adjusting the internal pressure of the device, and the internal pressure adjustment means has an internal space and is made of an elastic deformable material; (b) a fluid accommodation means, which is openly connected to the internal pressure adjustment means, for accommodating body fluids collected from the human body; and (c) a perforation means which is connected to the fluid accommodation means, is located at the lower part of the device, and comprises a hollow microstructure for forming an opening on the body. | 12-11-2014 |
20150112282 | HOLLOW MICRONEEDLE AND SUBRETINAL SYRINGE FOR SUBRETINAL INJECTION OR EXTRACTION - The present invention relates to a method for manufacturing a hollow microneedle for subretinal injection or extraction. The microneedle for subretinal injection or extraction is made of metal, thereby providing the strength and force for penetrating the sclera and retina. Due to the length and the angle of curvature, the microneedle for subretinal injection or extraction of the present invention can reach a suitable subretinal site, such as the midperiphery at which optic nerves are accumulated, and thus the present invention is effective for delivering a drug and can enhance the effectiveness of the drug. | 04-23-2015 |
20150126633 | METHOD FOR FABRICATION OF POROUS FIBROUS MICROSTRUCTURE WITH VARIOUS 3-DIMENSIONAL STRUCTURES - The present invention relates to a method for fabricating a three-dimensional porous fibrous microstructure, various three-dimensional porous fibrous microstructures fabricated by the method, an apparatus for detecting a biological marker and a drug delivery system comprising the microstructure. The porous fibrous microstructure of the present invention has excellent interconnectivity between pores and micropores and captures and delivers target particles at high efficiency, and thus can be usefully applied to biomedical applications including the detection of a biomarker and drug delivery. | 05-07-2015 |
20150224293 | METHOD FOR MANUFACTURING MICROSTRUCTURE USING NEGATIVE PRESSURE AND MICROSTRUCTURE MANUFACTURED THEREFOR - The present invention is directed to a method for manufacturing a microstructure, the method comprising: (a) placing a viscous composition on a substrate; and (b) applying negative pressure to the viscous composition to induce an extension of the viscous composition, thereby forming a microstructure, and a microstructure manufactured therefor. According to the present invention, a microstructure can be formed without performing a heat treatment by applying a negative pressure. Consequently, it is possible to mount on a microstructure various materials that are sensitive to heat and easily damaged or degenerated. According to the present invention, a microstructure can be manufactured in a non-contacting manner, that is, without being contacted with conventionally used another structure such as a mould or filler. This leads to overcome a loss caused during a process of separating a microstructure in contact or a cutting process involving a physical destruction after the completion of moulding a microstructure and limit on the production yield. | 08-13-2015 |
20150328443 | MICROSTRUCTURE-BASED DRUG DELIVERY SYSTEM COMPRISING MICROPOROUS STRUCTURE - Disclosed are a microstructure-based drug delivery system comprising a microporous structure and a method for manufacturing the same, and more specifically, a detachable microstructure-based drug delivery system using a microporous structure layer and a method for manufacturing the same, thereby skipping a drying step which is essential for the manufacturing process of the existing biodegradable microneedle, and solving the problem in that the hardness of the microneedle is reduced when the microneedle contains drugs, failing to penetrate the skin. Here, the microstructure is implantable in the body through the insertion into the body and detachment from the microporous structure, and the detachable microstructure can be applied to wrinkled (skin movement) and corrugated parts through a detachment function thereof. | 11-19-2015 |
20160067469 | METHOD FOR MANUFACTURING MICROSTRUCTURE USING CENTRIFUGAL FORCE AND MICROSTRUCTURE MANUFACTURED BY SAME - The present invention relates to a method for manufacturing a microstructure, the method comprising the steps of: (a) preparing a viscous composition on a lower substrate; and (b) applying centrifugal force to the viscous composition to induce extension of the viscous composition, thereby manufacturing a microstructure. According to the present invention, (i) a microstructure having a micro-unit diameter and sufficient effective length and hardness is provided; (ii) any process that may destroy activation of a drug or cosmetic component, such as high-temperature treatment, organic solvent treatment, etc., is avoided; (iii) loss resulting from contact and separation is reduced; (iv) the limitation of aspect ratio of the manufactured microstructure is overcome; (v) the limitation of yield resulting from flatness is overcome; and (vi) microstructures of various shapes can be manufactured. | 03-10-2016 |
Patent application number | Description | Published |
20110178594 | BIOABSORBABLE BLEND FOR TEMPORARY SCAFFOLDING OF THE BLOOD VESSEL WALL - A bioabsorbable blend comprising poly(L-lactide) (PLLA) and a phosphorylcholine group-containing copolymer (PPCP) capable of enduring the mechanical strength of blood vessel walls and applicable for fabricating cardiovascular devices was developed. The blend acts as a scaffold to support blood vessel walls during vascular healing and undergoes biodegradation in vivo after vascular healing is complete. Furthermore, the blend can prevent the formation and adsorption of thrombi. | 07-21-2011 |
20140011957 | BIOABSORBABLE BLEND FOR TEMPORARY SCAFFOLDING OF THE BLOOD VESSEL WALL - A bioabsorbable blend comprising poly(L-lactide) (PLLA) and a phosphorylcholine group-containing copolymer (PPCP) capable of enduring the mechanical strength of blood vessel walls and applicable for fabricating cardiovascular devices was developed. The blend acts as a scaffold to support blood vessel walls during vascular healing and undergoes biodegradation in vivo after vascular healing is complete. Furthermore, the blend can prevent the formation and adsorption of thrombi. | 01-09-2014 |
20140067051 | SHEATH AND CERCLAGE THREAD FOR MITRAL CERCLAGE ANNULOPLASTY - A sheath and cerclage thread for mitral cerclage annuloplasty, where the cerclage thread is inserted into a lumen created independently from the lumen through which the guide wire is passed. | 03-06-2014 |
20140081381 | POLYMERIC STENT - The present invention relates to a polymeric stent, and to an endoprosthesis that is implanted within blood vessels and is formed of a polymer. | 03-20-2014 |
20140371395 | BIOABSORBABLE BLEND FOR TEMPORARY SCAFFOLDING OF THE BLOOD VESSEL WALL - A bioabsorbable blend comprising poly(L-lactide) (PLLA) and a phosphorylcholine group-containing copolymer (PPCP) capable of enduring the mechanical strength of blood vessel walls and applicable for fabricating cardiovascular devices was developed. The blend acts as a scaffold to support blood vessel walls during vascular healing and undergoes biodegradation in vivo after vascular healing is complete. Furthermore, the blend can prevent the formation and adsorption of thrombi. | 12-18-2014 |
20150238335 | POLYMERIC STENT AND METHODS OF MANUFACTURING THE SAME - Methods of manufacturing polymeric stents by forming a pattern on a polylactic acid tube using a second harmonic generator laser and polylactic acid polymeric stents having a pattern formed using a second harmonic generator laser. | 08-27-2015 |
20150282961 | POLYMERIC STENT AND METHODS OF MANUFACTURING THE SAME - A method of manufacturing a polymeric stent by forming a pattern on a polymer tube with a laser, where the pattern formed on the polymer tube comprises a plurality of repeating units comprising a plurality of unit cells, each having a V-shaped configuration and polymeric stents formed by the methods. The pattern may be formed on the polymer tube (e.g., polylactic acid tube) using a second harmonic generator laser in which a wavelength ranging from 940 nm to 1552 nm is converted. | 10-08-2015 |