Optical module including receptacle, and method of producing the same

• US 5,127,071 A
• Filed: 03/12/1991
• Issued: 06/30/1992
• Est. Priority Date: 03/13/1990
• Status: Expired due to Term

• Current Assignee: Sumitomo Electric Industries Limited (Sumitomo Corporation)
• Original Assignee: Sumitomo Electric Industries Limited (Sumitomo Corporation)
• Inventors: Go, Hisao
• Primary Examiner(s): Ullah, Akm E.
• Application Number:
  US07/667,301
• Time in Patent Office: 476 Days
• Field of Search: 350/96.18-96.21, 350/96.24
• US Class Current: 385/73
• CPC Class Codes: B29C 70/68 by incorporating or moulding on preformed parts, e.g. inserts or layers , e.g. foam blocks mould constructions therefor B29C33/12; joining preformed parts by moulding B29C65/70
• CPC Class Codes: B29L 2031/3406 Components, e.g. resistors
• CPC Class Codes: G02B 6/4246 Bidirectionally operating package structures
• CPC Class Codes: G02B 6/4292 the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48227 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/19105 in a side-by-side arrangement on a common die mounting substrate

Abstract

An optical module comprises at least one optical sub-module having at least one optical connector for receiving an end portion of an optical fiber at an end portion of the optical connector so as to optically couple the end portion of the optical fiber with an optical operation element, and a molded resin member for holding the optical connector except for the end portion of the optical connector; and at least one receptacle for enveloping the end portion of the optical connector to integrally hold the optical sub-module, the receptacle having an opening portion for fitting with an optical plug holding the end portion of the optical fiber which is to be received by the optical connector. The receptacle is resin-molded by using a mold die including a core for forming an opening portion of the optical module, the core having at least one hold portion for holding a portion of the optical sub-module.

Claims

1. An optical module comprising:

an optical sub-module member having an optical connector means, said optical connector means including an optical operation element and an end portion, said end portion of said optical connector means including means for receiving an optical fiber so as to optically couple said optical fiber with said optical operation element, said optical connector means integrally held by a molded resin member except for said end portion of said optical connector means; and

a receptacle means for enveloping said end portion of said optical connector means to integrally hold said optical sub-module member, said receptacle means including an opening portion operatively associated with an optical plug, said optical plug holding said end portion of said optical fiber, said optical fiber to be received by said optical connector means.

2. An optical module as claimed in claim 1, wherein said optical sub-module member comprises a single optical sub-module having a plurality of optical connector means, and wherein said receptacle means holds said optical sub-module integrally so as to envelope the entirety of said optical connector means.

3. An optical module as claimed in claim 1, wherein said optical sub-module member comprises a plurality of optical sub-modules each having an optical connector means, and wherein said receptacle means holds said optical sub-modules integrally so as to envelope the entirety of said optical connector means.

4. An optical module as claimed in claim 1, wherein said optical sub-module member comprises a single optical sub-module having an optical connector means, and wherein said receptacle means holds said optical sub-module integrally so as to envelope the entirety of said optical connector means.

5. An optical module as claimed in claim 1, wherein said optical sub-module member comprises a single optical sub-module having an optical connector means, and wherein said receptacle means holds said optical sub-module integrally so as to envelope a portion of said optical connector means.

6. An optical module as claimed in claim 1, wherein said receptacle means comprises a plurality of receptacles and said optical sub-module member comprises a single optical sub-module having a plurality of optical connector means, and wherein said receptacles integrally hold said optical sub-module such that each of said receptacles envelopes a portion of each of said optical connector means.

7. An apparatus for producing an optical module as claimed in claim 1, comprising:

a mold die for resin-molding said receptacle means;

wherein said mold die includes a core for forming said opening portion, said core having at least one hold portion formed in said core for holding a portion of said optical sub-module member.

8. An apparatus as claimed in claim 7, wherein said hold portion holds said molded resin member of said sub-module member.

9. An apparatus as claimed in claim 7, wherein said hold portion holds said end portion of said optical connector means of said sub-module member.

10. An apparatus as claimed in claim 7, wherein said hold portion includes at least one aligning ferrule.

11. A method of producing an optical module, comprising the steps of:

forming an optical sub-module member including an optical connector means having an end portion for receiving an optical fiber member, and having an optical operation element, so that said optical connector means is held except for said end portion by molding resin constituting a molded resin member, said end portion of said optical connector means so disposed so as to optically couple said optical fiber member with said optical operation element;

forming, through resin molding, a receptacle means for enveloping said end portion of said optical connector means to hold said optical sub-module member, said receptacle means including an opening portion operatively associated with an optical plug, said optical plug holding said optical fiber member to be received by said optical connector means.

12. A method of producing an optical module as claimed in claim 11, wherein said optical sub-module member comprises a single optical sub-module having a plurality of optical connector means, and wherein said receptacle means holds said optical sub-module integrally so as to envelope the entirety of said optical connector means.

13. A method of producing an optical module as claimed in claim 11, wherein said optical sub-module member comprises a plurality of optical sub-modules each having an optical connector means, wherein said receptacle means holds said optical sub-modules integrally so as to envelope the entirety of said optical connector means.

14. A method of producing an optical module as claimed in claim 11, wherein said optical sub-module member comprises a single optical sub-module having an optical connector means, wherein said receptacle means holds said optical sub-module integrally so as to envelope the entirety of said optical connector means.

15. A method of producing an optical module as claimed in claim 11, wherein said optical sub-module member comprises a single optical sub-module having an optical connector, wherein said receptacle means holds said optical sub-module integrally so as to envelope a portion of said optical connector means.

16. A method of producing an optical module as claimed in claim 11, wherein said receptacle means comprises a plurality of receptacles and said optical sub-module member comprises a single optical sub-module having a plurality of optical connector means, wherein said receptacles integrally hold said optical sub-module such that each of said receptacles envelopes a portion of each of said optical connector means.

17. A method of producing an optical module as claimed in claim 11, wherein said receptacle means is formed through a mold die including a core for forming said opening portion, said core having at least one hold portion formed in said core for holding a portion of said optical sub-module member.

18. A method of producing an optical module as claimed in claim 17, wherein said hold portion holds said molded resin member of said sub-module member.

19. A method of producing an optical module as claimed in claim 17, wherein said hold portion holds said end portion of said optical connector means of said sub-module member.

20. A method of producing an optical module as claimed in claim 17, wherein said hold portion includes at least one aligning ferrule.