Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – For receiving coaxial connector
Reexamination Certificate
2001-10-30
2002-11-05
Paumen, Gary F. (Department: 2833)
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
For receiving coaxial connector
Reexamination Certificate
active
06474995
ABSTRACT:
FIELD OF THE INVENTION
The present invention generally relates to a radio frequency (RF) connector, and in particular to an RF connector with accurate positioning of a center contact and a metal shell.
BACKGROUND OF THE INVENTION
There is a growing need for low profile radio frequency (RF) connectors for use in mobile electrical devices. Referring to
FIG. 7
, a conventional RF connector
700
according to U.S. Pat. No. 5,466,160 has a case
701
with four side surfaces and a concavity
702
defined by the side surfaces, an inner conductor
703
, an outer conductor
704
, a hot-line terminal
705
electrically connecting to the inner conductor
703
and an earth terminal
706
electrically connecting to the outer conductor
704
.
However, as the conventional profile RF connector
700
is too small, the inner conductor
703
could not be positioned in the center of the hollow center portion
702
accurately when insert molding the dielectric case
701
to the inner conductor
703
and the outer conductor
704
.
Hence, an improved RF connector with better positioning of center contact relative to metal shell is needed to overcome the forgoing shortcomings.
BRIEF SUMMARY OF THE INVENTION
A main object of the present invention is to provide a method for positioning a center contact in a metal shell of a low profile radio frequency (RF) connector accurately during manufacturing.
An RF connector arrangement in accordance with the present invention includes a first carrier having a metal shell, a second carrier having a center contact and a housing. The metal shell has a cylindrical body, a hollow center portion defined by the cylindrical body and two soldering tags extending from a bottom of the cylindrical body. The center contact has a base portion and a center pin extending perpendicularly from the base portion.
The method of making the RF connector is as following: forming a metal shell and a center contact on a first and second carriers; forming the cylindrical body, the hollow center portion, two soldering tags and the connecting portion; forming the center pin and the base portion; positioning the first carrier above the second carrier with the metal shell aligned vertically a corresponding center contact; moving the first carrier and the second carrier synchronously; positioning the center pin in the hollow center portion; insert molding the metal shell and the center contact with an insulative housing; severing the first and second carriers from the metal shell and the center contact.
REFERENCES:
patent: 5322453 (1994-06-01), Resnick et al.
patent: 5466160 (1995-11-01), Ogura
patent: 5807117 (1998-09-01), Kempf et al.
patent: 5882210 (1999-03-01), Embo et al.
patent: 6113397 (2000-09-01), Myers
patent: 6224390 (2001-05-01), Mitani et al.
patent: 6264475 (2001-07-01), Machado
Chung Wei Te
Hon Hai - Precision Ind. Co., Ltd.
Paumen Gary F.
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