KR20040046536A - HP Air Compressor - Google Patents

HP Air Compressor Download PDF

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Publication number
KR20040046536A
KR20040046536A KR1020020074483A KR20020074483A KR20040046536A KR 20040046536 A KR20040046536 A KR 20040046536A KR 1020020074483 A KR1020020074483 A KR 1020020074483A KR 20020074483 A KR20020074483 A KR 20020074483A KR 20040046536 A KR20040046536 A KR 20040046536A
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KR
South Korea
Prior art keywords
main body
air compressor
pressure air
condensate
lower layer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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KR1020020074483A
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Korean (ko)
Inventor
백기종
손철현
김순선
Original Assignee
대우조선해양 주식회사
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Priority to KR1020020074483A priority Critical patent/KR20040046536A/en
Publication of KR20040046536A publication Critical patent/KR20040046536A/en
Ceased legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling by passing the exhaust gases through porous members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/001—Exhaust gas flow channels or chambers being at least partly formed in the structural parts of the engine or machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/005—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for draining or otherwise eliminating condensates or moisture accumulating in the apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/08—Combinations of different methods of purification filtering and inertial particulate separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Compressor (AREA)

Abstract

본 발명은 고압 공기압축기에 관한 것으로, 더욱 상세하게는 고압 공기압축기의 응축수 배출시 발생하는 소음 및 주변기기를 오염시키는 오염물질을 제거할 수 있도록 개선한 고압 공기압축기용 소음기를 제공함에 있는 것이다.The present invention relates to a high pressure air compressor, and more particularly, to provide a high-pressure air compressor silencer that can remove noise generated when condensate is discharged from the high-pressure air compressor and contaminants contaminating peripheral devices.

본 발명에서는 고압 공기압축기의 소음기는 응축수가 배출되는 배출부측에 조립되는 연결구(10)가 부설되는 커버(20)와 본체(30)로 구성되며, 상기 본체(30)는 내부가 상,하부로 연통되는 유로(42)가 구비되는 차폐판(40)에 의해 상,하층부(31a,31b)로 구획되는 2중구조로 분할 형성되고, 본체(30)의 상층부(31a)에는 통공(52)이 구비된 다수의 걸림판(50)이 일정 간격으로 배치되고, 본체(30)의 하층부(31b)에는 다수의 디스트리뷰터(60)와 함께 그 하부측에는 오염물질을 포집하도록 된 수거탱크(70)가 설치되고, 상기 연결구(10)에는 본체(30)의 내측 중심부를 관통하는 유도관(80)이 결합되고, 상기 유도관(80)은 하층부(31b)에 설치되는 수거탱크(70)의 상면부까지 연장되는 것을 특징으로 함.In the present invention, the silencer of the high-pressure air compressor is composed of a cover 20 and the main body 30, which is installed on the connector 10 is assembled on the discharge side discharged condensate, the main body 30 is the upper and lower parts The shielding plate 40 provided with a communication channel 42 is divided into a double structure divided into upper and lower layer portions 31a and 31b, and a through hole 52 is provided in the upper layer portion 31a of the main body 30. A plurality of locking plates 50 are arranged at regular intervals, and a collection tank 70 for collecting contaminants at a lower side of the main body 30 together with a plurality of distributors 60 is installed at a lower portion 31b of the main body 30. In addition, the connector 10 is coupled to the induction pipe 80 penetrating the inner center of the main body 30, the induction pipe 80 extends to the upper surface of the collection tank 70 is installed in the lower layer (31b) Characterized in that.

Description

고압 공기압축기용 소음기{HP Air Compressor}Silencer for high pressure air compressor {HP Air Compressor}

본 발명은 고압 공기압축기에 관한 것으로, 더욱 상세하게는 고압 공기압축기의 응축수 배출시 발생하는 소음 및 주변기기를 오염시키는 오염물질을 효과적으로 제거할 수 있는 고압 공기압축기용 소음기를 제공함에 있는 것이다.The present invention relates to a high pressure air compressor, and more particularly to providing a silencer for a high pressure air compressor that can effectively remove the noise generated when the condensate discharge of the high pressure air compressor and pollutants contaminating the peripheral equipment.

선박에서 사용되는 고압 공기압축기는 일정한 시간(매10분 간격으로 10초)간격으로 응축수(물, 오일, 공기)를 배출하게 된다.High pressure air compressors used in ships discharge condensate (water, oil, air) at regular intervals (10 seconds every 10 minutes).

하지만 고압 공기압축기의 응축수 배출시 발생하는 강력한 소음은 주변 작업자 및 근무자 건강에 악영향을 주는 문제점이 있었다.However, the strong noise generated when the condensate discharge of the high pressure air compressor has a problem that adversely affects the health of the surrounding workers and workers.

또한 응축수는 오염 물질을 포함하고 있어 이들이 밖으로 배출되었을 경우에는 주변기기와 더불어 물을 오염시키게 되는 문제점이 있었다.In addition, condensate contains contaminants, and when they are discharged outside, there is a problem in that water is contaminated with peripheral devices.

따라서 종래에는 이들 오염 물질을 제거하기 위해 매일 사람이 그 주변을 청소하는 등의 번거러움과 불편이 있었다.Therefore, in the related art, in order to remove these contaminants, there are inconveniences and inconveniences such as daily cleaning of the surroundings.

본 발명은 상기한 문제점을 해결하기 위해 안출된 것으로서, 고압 공기압축기의 응축수 배출시 발생되는 소음을 제거할 수 있도록 된 장치를 부가하여 소음을 줄이는데 그 목적이 있는 것이다.The present invention has been made to solve the above problems, it is an object to reduce the noise by adding a device that can remove the noise generated during the discharge of the condensate of the high-pressure air compressor.

또한, 본 발명은 응축수에 포함하고 있는 오염 물질도 함께 제거하여 응축수로 인해 수질과 공기 등이 오염되는 것을 방지할 수 있도록 하는데 또 다른 목적이있는 것이다.In addition, the present invention is another object to remove the contaminants contained in the condensate to prevent contamination of water and air due to the condensate.

상기 목적을 달성하기 위해 본 발명에서는, 고압 공기압축기의 응축수가 배출되는 배출부측에 조립되는 연결구(10)가 부설되는 커버(20)와 본체(30)로 구성되고, 상기 본체(30)는 내부가 상,하부로 연통되는 유로(42)가 형성되는 차폐판(40)에 의해 상,하층부(31a,31b)로 구획되는 2중구조로 형성되어 본체(30)의 상층부(31a)에는 통공(52)이 구비된 다수의 걸림판(separator plate)(50)이 일정 간격으로 배치되고, 본체(30)의 하층부(31b)에는 다수의 디스트리뷰터(distubutor) (60)가 배치되며 그 하부측에는 오염물질을 포집하도록 된 수거탱크(70)가 구비되어 있다.In order to achieve the above object, in the present invention, the cover 10 and the main body 30 is provided with a connector 10 is assembled on the discharge side of the discharge portion of the high-pressure air compressor is discharged, the main body 30 is an internal It is formed in a double structure divided into upper and lower layer portions 31a and 31b by a shielding plate 40 having a flow passage 42 communicating with the upper and lower portions, and having a through hole 52 in the upper layer portion 31a of the main body 30. A plurality of separator plates 50 are disposed at regular intervals, a plurality of distributors 60 are disposed on the lower layer 31b of the main body 30, and contaminants are disposed on the lower side thereof. The collection tank 70 is provided to collect.

상기 연결구(10)에 접속되어 본체(30)의 내측 즉, 걸림판(50)과 차폐판(40) 및 디스트리뷰터(60)의 중심부를 관통하는 유도관(80)은 하층부(31b)에 설치되는 수거탱크(70)의 상면부까지 연장되어 상기 유도관(80)을 통해 유입되는 응축수는 차폐판(40)으로 구획되는 하층부(31b)와 상층부(31a)로 순환 유입된 후 본체(30)의 최상부측에 형성된 구멍(33)과 커버(20) 사이에 형성된 공간을 통해 외부로 배출하도록 구성되는 것을 특징으로 하고 있다.An induction pipe 80 connected to the connector 10 and penetrating the inner side of the main body 30, that is, the locking plate 50, the shielding plate 40, and the center of the distributor 60, is installed at the lower layer portion 31b. The condensed water extending to the upper surface of the collection tank 70 and introduced through the induction pipe 80 is circulated into the lower layer 31b and the upper layer 31a partitioned by the shielding plate 40, and then It is characterized in that it is configured to discharge to the outside through the space formed between the hole 33 and the cover 20 formed on the uppermost side.

이하, 본 발명을 첨부된 예시 도면을 참고하여 구성 및 작용 효과를 보다 상세하게 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in more detail the configuration and effect.

도 1은 본 발명에 따른 고압 공기압축기용 소음기의 단면도,1 is a cross-sectional view of a silencer for a high pressure air compressor according to the present invention;

<도면의 주요부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>

10 : 연결구10: connector

20 : 커버20: cover

30 : 본체30: main body

31a: 상층부31a: upper layer

31b: 하층부31b: lower floor

40 : 차폐판40: shielding plate

50 : 걸림판50: stopping plate

52 : 통공52: through hole

60 : 디스트리뷰터60: Distributor

70 : 수거탱크70: collection tank

80 : 유도관80: induction pipe

도 1은 본 발명에 따른 고압 공기압축기용 소음기의 단면도를 나타내고 있는 것으로, 이에 도시된 바와 같이 본 발명은 고압 공기압축기의 응축수 배출부로 조립되는 연결구(10)는 그 선단이 커버(20)에 관통되게 조립되고, 상기 커버(20)는 본체(30) 보다 크게 형성되어 본체(30)와 커버(20) 사이에는 일정한 공간(A)을 형성할 수 있게하여 응축수는 본체(30)의 상부측에 형성된 구멍(33)을 통해 유입된 후 본체(30)와 커버(20) 사이의 공간(A)을 경유하여 외부로 배출되어질 수 있도록 한다.Figure 1 shows a cross-sectional view of the silencer for a high pressure air compressor according to the present invention, as shown in the present invention, the connector 10 is assembled into the condensate discharge portion of the high pressure air compressor, the tip of the penetrating through the cover 20 The cover 20 is formed larger than the main body 30 so that a certain space A can be formed between the main body 30 and the cover 20 so that the condensed water is formed on the upper side of the main body 30. After being introduced through the formed hole 33, it may be discharged to the outside via the space A between the main body 30 and the cover 20.

상기 본체(30)는 O-링(41)이 개제된 차폐판(40)에 의해 그 중심부가 상,하층부(31a,31b)로 구획되는 2중구조로 형성하며, 상기 차폐판(40)에는 유로(42)가 설치되어 상기 유로(42)를 통해 응축수가 상,하부층(31a,31b)으로 이동할 수 있도록 하고 있다.The main body 30 has a double structure in which a central portion thereof is divided into upper and lower layer portions 31a and 31b by a shielding plate 40 having an O-ring 41 formed therein, and a flow path is provided in the shielding plate 40. A 42 is provided to allow the condensed water to move to the upper and lower layers 31a and 31b through the flow passage 42.

본체(30)의 상부층(31a)에는 통공(52)이 구비된 다수의 걸림판(50)이 일정 간격으로 고정 배치되며, 본체(30)의 하부층(31b)에는 다수의 디스트리뷰터(60)가 각각 고정 배치되고 그 하부측에는 오염물질을 포집하도록 된 수거탱크(70)가 각각 설치된다.In the upper layer 31a of the main body 30, a plurality of locking plates 50 having holes 52 are fixedly arranged at regular intervals, and a plurality of distributors 60 are respectively disposed in the lower layer 31b of the main body 30. The collection tanks 70 which are fixedly arranged and are arranged to collect contaminants on the lower side thereof are respectively installed.

상기 커버(20)에 결합되는 연결구(10)의 선단으로 유도관(80)이 조립되고, 상기 유도관(80)의 타측단은 본체의 하층부(31b)를 관통하여 수거탱크(70)의 상면부에까지 연장 배치되고 있다.The induction pipe 80 is assembled to the tip of the connector 10 coupled to the cover 20, and the other end of the induction pipe 80 penetrates through the lower layer part 31b of the main body and the upper surface of the collection tank 70. It is extended to the part.

본체(30)의 상층부(31a)에 배치되는 걸림판(50)은 평판으로 구성하여 그 내측면에는 상,하로 관통되는 다수의 통공(52)을 뚫어 상기 통공(52)으로 응축수가 순환할 수 있도록 하고, 상기 본체(30)의 하층부(31b)에 설치되는 디스트리뷰터 (60)는 역삼각형 모양으로 형성하여 제거되지 않은 일부 오염물질은 상기 디스트리뷰터(60)에 부딪쳐 분리되어지며 외주면을 따라 하부측 수거탱크(70) 쪽으로 흘러내리며 포집될 수 있도록 하였다.The locking plate 50 disposed in the upper layer portion 31a of the main body 30 may be formed of a flat plate, and the condensed water may circulate through the through holes 52 through a plurality of through holes 52 penetrating up and down on the inner surface thereof. Distributor 60 installed in the lower layer 31b of the main body 30 is formed in an inverted triangle shape so that some contaminants that are not removed are separated from the distributor 60 by being separated from the lower side along the outer circumferential surface. It was allowed to flow down to the tank 70 and be collected.

수거탱크(70)에는 길이방향으로 투명체로 구성되는 표시창(72)이 형성되어 상기 표시창(72)을 통해 내부 오염물질의 수거 상태를 수시로 확인할 수 있도록 되고, 수거탱크(70)의 하부측에는 오염물질을 배출시키는 배출밸브(74)가 설치되어 상기 배출밸브(74)를 통해 포집된 오염물질을 외부로 반출시킬 수 있도록 구성되고 있다.The collection tank 70 is formed with a display window 72 made of a transparent body in the longitudinal direction so that the collection state of the internal pollutants can be checked at any time through the display window 72, the contaminants on the lower side of the collection tank 70 A discharge valve 74 for discharging the gas is installed to discharge the pollutants collected through the discharge valve 74 to the outside.

이와 같이 구성 결합된 본 발명의 작용 효과를 상세히 설명하면 다음과 같다.When described in detail the effect of the present invention coupled to the configuration as follows.

도 1에 도시되어 있는 바와 같이, 고압 공기압축기에서 방출되는 응축수는 연결구(10)을 통해 소음기의 본체(30) 내부로 유입되게 된다. 이때 공기압축기에서 방출되는 응축수는 일정한 양의 유분과 수분이 함유되어 있고, 압력이 급격히 떨어지면서 공기중의 수분은 액화된다.As shown in FIG. 1, the condensed water discharged from the high pressure air compressor is introduced into the main body 30 of the muffler through the connector 10. At this time, the condensate discharged from the air compressor contains a certain amount of oil and water, and the pressure drops rapidly to liquefy moisture in the air.

연결구(10)는 본체(30)의 유도관(80)에 연결되고 있어 연결구(10)을 통과한 응축수는 본체(30)의 하부측으로 유입되게 될 때 유분을 포함한 응축수는 하층부(31b)의 디스트리튜터(60)와 충돌을 일으키게 되고, 충돌에 의해 와류가 형성되면서 이동하게 될 때 유분을 포함한 수분과 공기로 분리되게 된다.The connector 10 is connected to the induction pipe 80 of the main body 30, so that when the condensate passing through the connector 10 is introduced to the lower side of the main body 30, the condensate containing oil is dissipated in the lower portion 31b. The collision with the triturator 60, and when the vortex is formed and moved by the collision is separated into water and air, including oil.

이때 분리된 수분은 그 하부측에 설치되는 수거탱크(70)에 모이게 되고, 공기는 다시 차폐판(40)의 유로(42)를 통해 상층부(31a)로 이동하게 된다.At this time, the separated water is collected in the collection tank 70 is installed on the lower side, the air is moved back to the upper layer portion 31a through the flow path 42 of the shielding plate (40).

차폐판(40)을 통과한 공기는 걸림판(50)에 형성된 다수의 통공(52)을 통과하게 될 때 점차 압력이 서서히 약화되어짐에 따라 외부 배출시 발생하는 소음도 적어지게 된다.As the air passing through the shielding plate 40 passes through the plurality of through holes 52 formed in the locking plate 50, the pressure gradually decreases, so that the noise generated during the external discharge is reduced.

이처럼 본체의 상층부(31a)에 설치되는 다수의 걸림판(50)은 공기의 흐름을 조절함과 동시에 압력을 크게 떨어뜨리게 되므로 소음기를 통해 배출되는 응축수는 연결구(10)을 통해 유입될 때보다 압력이 크게 낮아져 있어 소음이 거의 발생하지 않게 된다.As described above, the plurality of stopping plates 50 installed in the upper layer 31a of the main body reduce the pressure at the same time as controlling the flow of air, so that the condensed water discharged through the muffler is pressured when introduced through the connector 10. This is so low that almost no noise is generated.

이상에서 설명한 바와 같이 본 발명의 고압 공기압축기용 소음기에 의하면, 고압 공기압축기에서 방출되는 응축수에 포함하고 있는 유분과 공기를 분리 제거하고, 고압 공기압축기를 통해 배출되는 응축수의 압력을 떨어뜨려 응축수가 방출시 발생하는 소음도 크게 줄일 수 있게되는 등의 작용 효과를 갖는 매우 유용한 발명인 것이다.As described above, according to the silencer for the high pressure air compressor of the present invention, the oil and air contained in the condensate discharged from the high pressure air compressor are separated and removed, and the pressure of the condensate discharged through the high pressure air compressor is reduced to reduce the condensate water. It is a very useful invention having an action effect such that the noise generated during the emission can be greatly reduced.

Claims (1)

고압 공기압축기의 소음기는 응축수가 배출되는 배출부측에 조립되는 연결구(10)가 부설되는 커버(20)와 본체(30)로 구성되며, 상기 본체(30)는 내부가 상,하부로 연통되는 유로(42)가 구비되는 차폐판(40)에 의해 상,하층부(31a,31b)로 구획되는 2중구조로 분할 형성되고, 본체(30)의 상층부(31a)에는 통공(52)이 구비된 다수의 걸림판(50)이 일정 간격으로 배치되고, 본체(30)의 하층부(31b)에는 다수의 디스트리뷰터(60)와 함께 그 하부측에는 오염물질을 포집하도록 된 수거탱크(70)가 설치되고, 상기 연결구(10)에는 본체(30)의 내측 중심부를 관통하는 유도관(80)이 결합되고, 상기 유도관(80)은 하층부(31b)에 설치되는 수거탱크(70)의 상면부까지 연장되는 것을 특징으로 하는 고압 공기압축기용 소음기.The silencer of the high pressure air compressor is composed of a cover 20 and a main body 30 on which a connector 10 is assembled, which is assembled on the discharge side from which the condensed water is discharged, and the main body 30 has an internal flow path up and down. The shielding plate 40 provided with 42 is divided into a double structure divided into upper and lower layer portions 31a and 31b, and the upper layer portion 31a of the main body 30 includes a plurality of through holes 52. The catching plate 50 is disposed at regular intervals, the lower layer portion 31b of the main body 30 is provided with a plurality of distributors 60 and a collection tank 70 for collecting contaminants on the lower side thereof. The induction pipe 80 is coupled to the inner central portion of the main body 30, the induction pipe 80 is characterized in that it extends to the upper surface of the collection tank 70 installed in the lower layer 31b. Silencer for high pressure air compressor.
KR1020020074483A 2002-11-27 2002-11-27 HP Air Compressor Ceased KR20040046536A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7785909B2 (en) 2006-12-20 2010-08-31 Dongbu Hitek Co., Ltd. Image sensor and method for manufacturing the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010887U (en) * 1983-07-02 1985-01-25 株式会社ボッシュオートモーティブ　システム receiver tank
JPS62106616U (en) * 1985-12-23 1987-07-08
JPS6313222U (en) * 1986-07-10 1988-01-28
JPH06346855A (en) * 1993-06-03 1994-12-20 Tsutomu Kamata Compressed air dehumidifying device
KR20020029179A (en) * 2000-10-12 2002-04-18 신영균 Condensing water collector in compressor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010887U (en) * 1983-07-02 1985-01-25 株式会社ボッシュオートモーティブ　システム receiver tank
JPS62106616U (en) * 1985-12-23 1987-07-08
JPS6313222U (en) * 1986-07-10 1988-01-28
JPH06346855A (en) * 1993-06-03 1994-12-20 Tsutomu Kamata Compressed air dehumidifying device
KR20020029179A (en) * 2000-10-12 2002-04-18 신영균 Condensing water collector in compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7785909B2 (en) 2006-12-20 2010-08-31 Dongbu Hitek Co., Ltd. Image sensor and method for manufacturing the same

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