KR950022294A - Manufacturing method of high speed light receiving module for optical communication - Google Patents

Manufacturing method of high speed light receiving module for optical communication Download PDF

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Publication number
KR950022294A
KR950022294A KR1019930027622A KR930027622A KR950022294A KR 950022294 A KR950022294 A KR 950022294A KR 1019930027622 A KR1019930027622 A KR 1019930027622A KR 930027622 A KR930027622 A KR 930027622A KR 950022294 A KR950022294 A KR 950022294A
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South Korea
Prior art keywords
receiving module
optical fiber
high speed
light receiving
optical communication
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KR1019930027622A
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Korean (ko)
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KR960013958B1 (en
Inventor
강승구
송민규
박경현
윤형진
Original Assignee
양승택
재단법인 한국전자통신연구소
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Priority to KR1019930027622A priority Critical patent/KR960013958B1/en
Publication of KR950022294A publication Critical patent/KR950022294A/en
Application granted granted Critical
Publication of KR960013958B1 publication Critical patent/KR960013958B1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60Receivers

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Light Receiving Elements (AREA)

Abstract

본 발명은 광통신 시스템에 사용되는 고속 수광모듈에 관한 것으로 특히 부차광섬유를 병위없이 정렬고정하는 광통신용 고속 수광모듈 제작방법에 관한 것이다. 종래의 수광모듈 제작방법은 광섬유를 정렬한 후 에폭시나 솔더링으로 접착하므로 이 접착제가 굳으면서 발생하는 수축으로 인하여 정렬이 흐트러지는 문제점이 있었다. 본 발명은 이러한 문제점들을 해소하기 위한 것을 그린 로드렌즈와 고아섬유 그리고 포토다이오드를 정렬 및 고정 시키기 위한 PD베이스, 어셈블리 하우징, 광섬유 페룰하우징으로 PD서브모듈을 구성하여 부분부분을 나누어 레이저로 용접하므로써 종래의 문제점과 모듈의 크기에 대한 제약을 방지한 광통신용 고속 수광모듈 제작방법이다.The present invention relates to a high speed light receiving module for use in an optical communication system, and more particularly, to a method for manufacturing a high speed light receiving module for optical communication for arranging and fixing secondary optical fibers without a bottle. Conventional light-receiving module manufacturing method has a problem that the alignment is disturbed due to shrinkage caused by the adhesive is hardened because the adhesive after bonding the optical fiber by epoxy or soldering. The present invention is to solve the above problems by constituting the PD sub-module with a PD base, assembly housing, optical fiber ferrule housing for aligning and fixing the green rod lens and orphan fiber and photodiode, by dividing the parts and welding with a laser It is a method of manufacturing a high speed light receiving module for optical communication that prevents the problem of the problem and the size of the module.

Description

광통신용 고속 수광모듈 제작방법Manufacturing method of high speed light receiving module for optical communication

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 볼 발명이 적용된 포토다이오드와 광섬유를 정렬한 수광모듈 제작법으로 (가)는 각종 부품을 차례대로 나열한 사시도.2 is a method of manufacturing a light receiving module in which a photodiode and an optical fiber to which the ball invention is applied are arranged.

(나)는 각종 부품을 조립하였을 때의 평면도.(B) is a plan view when various parts are assembled.

Claims (4)

광통신 시스템에 사용되는 고속 수광모듈에 있어서, 세라믹 서브마운트(13)에 포토다이오드(PD;14)를 납땜으로 다이본딩하여 원하는 부위에 금선을 연결하고 이 세라믹 서브마운트(13)를 레이저 용점이 가능한 재질의 PD베이스(26)내부에 납땜으로 용접하는 제1공정과, 사각케이스(11)내에 땜납을 이용 전치증폭기(12)를 부착하고 외부단자핀(23)을 테프론링을 이용하여 고정하는 제2공정과; 광섬유(21)를 광섬유 페롤(20)에 삽입하여 에폭시로 고정한 후 그 결합면 일단을 약 8°의 경사각을 갖도록 연마한 다음 광섬유 페롤하우징(17)에 그린로드렌즈(18), 스페이서(19), 상기 광섬유 페롤(20)을 순차적으로 삽입하여 고정하는 제3공정과; 상기 PD베이스(26)를 견고하게 고정하고 상기 페롤하우징(17)을 어셉블리 하우징(16)내에 삽입하여 동일축상에 정한 후, 상기 페롤하우징(17)과 어셈블리 하우징(16)을 홀더로 각각 잡은후 광섬유 끝에 빛을 조사하여 그 빛이 포토다이오드(14)로 가장 많이 입사될때까지 미세한 정력을 하는 제4공정과; 상기 어셈블리 하우징(16)과 상기 광섬유 페룰하우징 (17)의 접촉부위를 3방향에서 동시에 레이저로 용접하고 같은 방법으로 상기 PD베이스(26)와 어셈블리 하우징(16)의 접촉면을 용접하여 서브모듈을 형성하는 제5공정과; 상기 서브모듈을 상기 사각케이스(11)에 볼트로 고정 한 후 서브마운트와 전치증폭기를 와이어 본딩하고 뚜껑을 결합하는 제6공정을 포함하는 것을 특징으로 하는 광통신용 고속 수광모듈 제작방법.In a high speed light receiving module used in an optical communication system, a photodiode (PD) 14 is solder-bonded to a ceramic submount 13 to connect a gold wire to a desired portion, and the ceramic submount 13 can be laser irradiated. The first step of welding by soldering inside the PD base 26 of the material, and the preamplifier 12 is attached to the square case 11 using solder, and the external terminal pin 23 is fixed using Teflon ring. 2 step; The optical fiber 21 is inserted into the optical fiber ferrol 20 and fixed with epoxy, and then one end of the bonding surface is polished to have an inclination angle of about 8 °. A third step of inserting and fixing the optical fiber ferrule 20 sequentially; The PD base 26 is firmly fixed and the ferrule housing 17 is inserted into the assembly housing 16 to be positioned on the same axis, and then the ferrule housing 17 and the assembly housing 16 are held by holders. A fourth step of irradiating light at the end of the optical fiber and performing fine energization until the light is most incident on the photodiode 14; Sub-modules are formed by welding the contact portions of the assembly housing 16 and the optical fiber ferrule housing 17 simultaneously with lasers in three directions and welding the contact surfaces of the PD base 26 and the assembly housing 16 in the same manner. A fifth step of performing; And a sixth step of fixing the sub-module to the square case (11) with bolts and then bonding the sub-mount and preamplifier to the wires and coupling the caps to each other. 제1항에 있어서, 상기 세라믹 서브마운트(13)가 전치증폭기(12)와 금선연결을 용이하게 하기 위해 "ㄱ"자형태로 제작한 것을 특징으로 하는 광통신용 고속 수광모듈 제작방법.The method of claim 1, wherein the ceramic submount (13) is manufactured in a "-" shape to facilitate connection of the preamplifier (12) and the gold wire. 제1항 또는 제2항에 있어서, 상기 세라믹 서브마운트(13)의 패터닝이 외부와 절연되도록 한 것을 특징으로 하는 광통신용 고속 수광모듈 제작방법.The method of claim 1 or 2, wherein the patterning of the ceramic submount (13) is insulated from the outside. 제1항에 있어서, 제6공정중 상기 PD베이스(26)위에 보호구(protector;22)를 씌워 광모듈 본체에 동시에 고정하는 것을 특징으로 하는 광통신용 고속 수광모듈 제작방법.The method of manufacturing a high speed light receiving module for optical communication according to claim 1, wherein a protective device (22) is placed on the PD base (26) during the sixth step to fix the same to the optical module main body. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930027622A 1993-12-14 1993-12-14 High speed photo diode module KR960013958B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930027622A KR960013958B1 (en) 1993-12-14 1993-12-14 High speed photo diode module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930027622A KR960013958B1 (en) 1993-12-14 1993-12-14 High speed photo diode module

Publications (2)

Publication Number Publication Date
KR950022294A true KR950022294A (en) 1995-07-28
KR960013958B1 KR960013958B1 (en) 1996-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930027622A KR960013958B1 (en) 1993-12-14 1993-12-14 High speed photo diode module

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KR960013958B1 (en) 1996-10-10

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