Low cost electro-optical connector

• US 4,439,006 A
• Filed: 05/18/1981
• Issued: 03/27/1984
• Est. Priority Date: 05/18/1981
• Status: Expired due to Fees

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Stevenson, David W.
• Primary Examiner(s): Lee, John D.
• Assistant Examiner(s): Gonzalez, Frank
• Application Number:
  US06/264,764
• Time in Patent Office: 1,044 Days
• Field of Search: 350/96.20, 250/227, 357/30, 357/72, 357/74
• US Class Current: 385/88
• CPC Class Codes: G02B 6/4249 comprising arrays of active devices and fibres
• CPC Class Codes: G02B 6/4292 the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements

Abstract

A low cost electro-optical device is disclosed in which a plastic encapsulated, electro-optical semiconductor device is provided with an aperture into which a segment of optical fiber can be inserted. A suitable connector member is also described.

Claims

1. A connector for coupling an optical fiber transmission line to the package of an electro-optical semiconductor device comprising:

a central body portion having a surface thereof complementary to the shape of said package;

a pair of arms positioned on either side of said central body portion and extending away from said surface to form a pincer-like enclosure for said package;

flexible coupling means interconnecting said central body portion and said arms so that said arms can move relative to said central body portion;

each arm having an end portion extending orthogonal to the arm and defining a shoulder portion for temporarily securing said connector to said package; and

wherein said central body comprises optical fiber extending at least to said surface for optical connection to said semiconductor device.

2. The connector as set forth in claim 1 wherein said central body further comprises optical fiber means extending a predetermined distance from said surface.

3. The connector as set forth in claim 2 wherein said arms and said optical fiber means are approximately parallel.

4. The connector as set forth in claim 1 wherein said central body portion comprises two optical fibers and a septum for defining two locations, each for receiving a packaged electro-optical semiconductor device.

5. A low cost electro-optical semiconductor device, adapted for being easily connected to or disconnected from an optical fiber having a pincer-like connector on one end thereof for engaging said device, comprising:

a semiconductor chip having a photo-active area,

a plurality of electrical leads having first ends thereof within said device and connected to said chip and the second ends thereof extending outwardly from said device in generally the same direction, and

plastic package means for encapsulating said semiconductor chip and the first ends of said leads, said package having a flat surface portion on a side opposite the side said photo-active area faces for engaging said pincer-like connector and having a light transmissive portion between said photo-active area and a surface opposite said flat surface portion, wherein the arms of said pincer-like connector can engage the flat surface portion for temporarily holding said optical fiber adjacent said light transmissive portion of said package.

6. The device as set forth in claim 5 wherein said leads extend in a direction opposite said optical fiber.

7. The device as set forth in claim 5 wherein said direction is in a plane orthogonal to said fiber.

8. A low cost electro-optical semiconductor device, adapted for being easily connected to or disconnected from an optical fiber having a pincer-like connector on one end thereof for engaging said device, comprising:

an integrated circuit chip having a photo-active area, and

a package enclosing said chip having recesses formed therein for engaging said pincer-like connector and having a light transmissive portion at least between said photo-active area and the outer surface of said package adjacent said photo-active area, wherein the arms of said pincer-like connector can engage said recesses for temporarily holding said optical fiber adjacent the light transmissive portion of said package.

9. The device as set forth in claim 8 wherein said device comprises more than one photo-active area.