# US 8,465,214 B2 · Arrangement comprising an electrical conductor track carrier and an optoelectronic component, and a method for producing such an arrangement

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- Number: US 8,465,214 B2
- Document ID: US8465214B2
- Status: Granted
- Kind: B2
- Application number: 13/057,432
- Filed: 2010-01-21
- Published: 2011-06-09
- Granted: 2013-06-18
- Earliest claimed: 2009-03-18
- Assignees: u2t Photonics AG
- Applicants: Andreas Matiss; Alexander Jacob; Christoph Leonhardt
- Inventors: Andreas Matiss; Alexander Jacob; Christoph Leonhardt
- Web page: https://patentgrep.com/patent/US8465214B2

## CPC

- H05K 1/0243: {Printed circuits associated with mounted high frequency components}
- G02B 6/4201: {Packages, e.g. shape, construction, internal or external details}
- G02B 6/4274: {Electrical aspects (G02B6/4263 and G02B6/4265 take precedence)}
- H05K 1/024: {Dielectric details, e.g. changing the dielectric material around a transmission line}
- H05K 3/3421: {Leaded components}
- H05K 2201/09909: Special local insulating pattern, e.g. as dam around component
- H05K 2201/10121: Optical component, e.g. opto-electronic component
- H05K 2201/10977: Encapsulated connections
- Y10T 29/49144: by metal fusion
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

An arrangement including an electrical conductor track carrier and a component applied on the conductor track carrier. The component is a fiber-optoelectronic component and has: a housing, at least one electro-optical or optoelectronic component, at least one fiber-optic interface connected to the electro-optical or optoelectronic component, and at least one electrical interface for connecting the component on the conductor track carrier. The electrical interface has at least one bent electrical soldering connection element which is attached by one end to a base connection section of the housing base and extends from there laterally toward the outside so that the other end of the soldering connection element projects laterally and is soldered laterally outside the outer housing contour on the conductor track carrier. The soldering connection element is bent away from the base connection section so that the base connection section is at a distance from the conductor track carrier.

## Claims

### Claim 1

An arrangement (10) comprising an electrical conductor track carrier (20) and a component (30) applied on the conductor track carrier,
wherein the component is a fiber-optoelectronic component and has:
a housing (40),
at least one electro-optical or optoelectronic component (50),
at least one fiber-optic interface (60) connected to the electro-optical or optoelectronic component, and
at least one electrical interface (80) for connecting the component on the conductor track carrier,
wherein the electrical interface has at least one bent electrical soldering connection element (100), which extends laterally toward an outside of and is soldered laterally outside of an outer housing contour (140) on the conductor track carrier,
wherein the at least one bent electrical soldering connection element (100) is attached by one end (110) thereof to a base connection section (120) of a housing base (125) of the housing (40) and extends from there laterally toward the outside of the outer housing contour such that an other end (130) of the soldering connection element, in plan view, projects laterally and is soldered laterally outside of the outer housing contour (140) on the conductor track carrier, and
wherein the soldering connection element is bent away from the base connection section in such a way that the base connection section and with it the housing base (125) has a mechanical play constituting a distance (A) from the conductor track carrier.

### Claim 2 (depends on 1)

The arrangement as claimed in claim 1, wherein a reflection reducing characteristic impedance matching element (210) is present in at least one partial section of a gap (200) between the base connection section and the conductor track carrier.

### Claim 3 (depends on 1)

The arrangement as claimed in claim 1, wherein a gap (200) between the base connection section and the conductor track carrier is at least partially filled with a material (220, 230) having a relative permittivity of greater than 1.

### Claim 4 (depends on 1)

The arrangement as claimed in claim 1, wherein a coating (220) is applied on the conductor track carrier in a region of a gap (200) between the base connection section and the conductor track carrier.

### Claim 5 (depends on 4)

The arrangement as claimed in claim 4, wherein the coating consists of a different material than a material of the conductor tracks (90) of the conductor track carrier.

### Claim 6 (depends on 1)

The arrangement as claimed in claim 1, wherein the housing base has a base bearing section (150), which bears directly on the conductor track carrier.

### Claim 7 (depends on 1)

The arrangement as claimed in claim 1, wherein the housing has at least one fixing section (160) screwed to the conductor track carrier.

### Claim 8 (depends on 7)

The arrangement as claimed in claim 7,
wherein the fixing section has a fixing hole (170), through which a fixing screw (180) extends, and
wherein a diameter of the fixing hole is dimensioned to be greater than a diameter of the fixing screw, such that a play that reduces mechanical stresses is present between the fixing hole and the fixing screw.

### Claim 9 (depends on 1)

The arrangement as claimed in claim 1, wherein the electrical interface comprises a plurality of bent electrical soldering connection elements, which form one or a plurality of coplanar electrical lines.

### Claim 10 (depends on 1)

The arrangement as claimed in claim 1, wherein at least one bent electrical soldering connection element is slotted and forms at least two mutually adjacent electrical individual conductors (330, 340).

### Claim 11 (depends on 1)

The arrangement as claimed in claim 1, wherein a group (300, 350) of mutually adjacent bent electrical soldering connection elements is electrically connected up in the order ground, signal, ground, signal, ground.

### Claim 12 (depends on 11)

The arrangement as claimed in claim 11, wherein a central soldering connection element (310) of the group (350), connected to ground, is slotted and forms in each case two mutually adjacent individual ground conductors, such that an electrical connection configuration ground, signal, ground, ground, signal, ground arises at the interface with the conductor track carrier.

### Claim 13 (depends on 1)

The arrangement as claimed in claim 1, wherein
a thickness of the soldering connection elements connected up as ground conductors and a thickness of the soldering connection elements connected up as signal conductors are equal in magnitude and/or
a ratio between a width of an unslotted ground conductor and a width of a signal conductor is less than or equal to two and/or
a ratio between a width of an individual ground conductor of a slotted soldering connection element that is at ground potential and a width of a signal conductor is less than or equal to two.

### Claim 14

A method for producing an arrangement (10) comprising an electrical conductor track carrier (20) and a component (30), wherein the component is a fiber-optoelectronic component having a housing (40), at least one electro-optical or optoelectronic component (50), at least one fiber-optic interface (60) connected to the component, and at least one electrical interface (80) for connecting the component on the conductor track carrier, the method comprising:
soldering the component on the conductor track carrier by attaching one end (110) of at least one bent electrical soldering connection element (100) to a base connection section (120) of a housing base (125) of the housing (40) and attaching an other end (130) of the soldering connection element laterally outside of the outer housing contour (140) on the conductor track carrier,
wherein a mechanical play constituting a distance (A) is created between the housing base (125) and the conductor track carrier.

### Claim 15 (depends on 14)

The method as claimed in claim 14, wherein a reflection reducing characteristic impedance matching (210) is performed in at least one partial section of a gap (200) between the base connection section and the conductor track carrier.
