# US 5,015,206 A · Solder terminal

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- Number: US 5,015,206 A
- Document ID: US5015206A
- Status: Granted
- Kind: A
- Application number: 07/504,946
- Filed: 1990-04-05
- Granted: 1991-05-14
- Earliest claimed: 1990-04-05
- Assignees: Die Tech, Inc.
- Inventors: Richard K. Dennis
- Web page: https://patentgrep.com/patent/US5015206A

## CPC

- H01R 12/57: surface mounting terminals
- H05K 3/3405: {Edge mounted components, e.g. terminals}
- H01R 4/02: Soldered or welded connections {(H01R4/625, H01R4/723, H01R12/59 take precedence)}
- H05K 2201/10386: Clip leads; Terminals gripping the edge of a substrate
- H05K 2201/10984: Component carrying a connection agent, e.g. solder, adhesive
- Y10T 29/49204: Contact or terminal manufacturing
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A solder terminal includes a clip adapted to be positioned on one edge of a substrate for forming soldered electrical connections with substrate pads. One end of the clip extends away from the substrate for making an electrical connection with a circuit component.

## Claims

### Claim 1

A solder terminal including a contact element and a first arm joined to the element, the arm having a flat base with opposed edges, and in integral solder mass comprising a thin flat solder layer integrally bonded to the base and a pair of solder reservoirs extending along the edges of the base and joined to the thin solder layer only.

### Claim 2 (depends on 1)

A solder terminal as in claim 1 wherein the solder reservoirs are located below the thin solder layer.

### Claim 3 (depends on 2)

A solder terminal as in claim 2 wherein the thin solder layer and solder reservoirs are coined from a single solder mass bonded to the flat base and the reservoirs are extrusion-formed.

### Claim 4 (depends on 1)

A solder terminal as in claim 1 including a clip having a second arm located adjacent the first arm and a bridge joining the arms, said base facing the second arm.

### Claim 5 (depends on 4)

A solder terminal as in claim 4 wherein said second arm includes a contact ridge facing the base.

### Claim 6 (depends on 5)

A solder terminal as in claim 5 wherein the contact ridge extends across the width of the other arm.

### Claim 7 (depends on 4)

A solder terminal as in claim 4 including a continuous, thin U-shaped layer extending around the interior surfaces of the arms and the bridge, the thin flat solder layer forming part of the U-shaped layer, and U-shaped solder reservoirs are integral with the thin shaped layer and each extending around one side edge of the clip.

### Claim 8 (depends on 7)

A solder terminal as in claim 7 wherein the thin solder layer has a thickness of approximately 0.0005 inch and such layer and solder reservoirs are coined from a single solder mass bonded to the arms and bridge.

### Claim 9

A solder terminal including a contact for establishing an electrical connection with circuit elements and a clip at one end of the contact, said clip including first and second opposed contact arms and a bridge joining said arms, the interior surface of one arm including a flat base facing the other arm, the interior surface of the other arm including a transverse contact ridge facing the one arm, and an integral solder mass including a thin U-shape solder layer extending around and bonded to the interior surfaces of the clip arms and bridge and overlying the flat base and the contact ridge and a pair of U-shaped solder reservoirs located at the lateral strip edges and joined to the edges of the thin solder layer only.

### Claim 10 (depends on 9)

A solder terminal as in claim 9 wherein said thin solder layer is approximately 0.0005 inches thick.

### Claim 11 (depends on 10)

A solder terminal as in claim 10 wherein said reservoirs extend outwardly beyond the arms at the contact surface and ridge.

### Claim 12

The method of manufacturing a solder terminal having a solder coated contact with integral solder reservoirs including the steps of:
a. bonding a solder body to a portion of a terminal strip having side edges; and
b. coining the solder body to reduce the thickness of the solder overlying the strip, form a thin solder strip and extrude such solder laterally past both edges of the strip and form large volume solder reservoirs extending along the edges of the strip.

### Claim 13 (depends on 12)

The method of claim 12 including the step of forming said solder reservoirs below the surface of the thin solder strip.

### Claim 14 (depends on 12)

The method of claim 12 including the step of forming said portion into a contact clip having opposed arms and a bridge joining the arms.

### Claim 15 (depends on 14)

The method of claim 14 including the step of forming U-shaped solder reservoirs extending around both edges of the clip.

### Claim 16 (depends on 14)

The method of claim 14 including the step of forming a flat contact surface on one clip arm and a contact ridge on the other clip arm across from the contact surface.

### Claim 17 (depends on 16)

The method of claim 16 including forming said contact ridge extending across the width of the contact portion.
