Electronic module for a control unit

• US 9,763,344 B2
• Filed: 09/04/2012
• Issued: 09/12/2017
• Est. Priority Date: 11/08/2011
• Status: Active Grant

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Ott, Harald
• Primary Examiner(s): Cunningham, Xanthia C
• Application Number:
  US14/352,436
• Publication Number:
  US 20150022976A1
• Time in Patent Office: 1,834 Days
• CPC Class Codes: H01L 2224/48227 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2224/48245 the item being metallic
• CPC Class Codes: H01L 2224/48247 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2224/49175 Parallel arrangements
• CPC Class Codes: H01L 23/057 the leads being parallel to the base
• CPC Class Codes: H01L 23/10 characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/16152 Cap comprising a cavity for hosting the device, e.g. U-shaped cap
• CPC Class Codes: H05K 1/0271 Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
• CPC Class Codes: H05K 1/14 Structural association of two or more printed circuits providing electric connection to or between printed circuits H05K1/11, H01R12/00
• CPC Class Codes: H05K 2201/10151 Sensor
• CPC Class Codes: H05K 2203/049 Wire bonding
• CPC Class Codes: H05K 3/368 parallel to each other H05K3/361 takes precedence
• CPC Class Codes: H05K 5/003 having an integrally preformed housing
• CPC Class Codes: H05K 5/0082 specially adapted for transmission control units, e.g. gearbox controllers
• CPC Class Codes: H05K 5/06 Hermetically-sealed casings specially adapted for small components H05K5/0095

Abstract

An electronic module for a vehicle includes a covering element, a component-carrier printed circuit board element, a carrier element having a first side and a second side, a printed circuit board element, and at least one contact-connection element. The contact-connection element is configured to provide a conductive contact-connection between the component-carrier printed circuit board element and the printed circuit board element. The covering element and component-carrier printed circuit board element are positioned on the first side of the carrier element, and the printed circuit board element is positioned on the second side of the carrier element. The carrier element has at least one opening, and the contact-connection element is led through the opening.

Claims

1. An electronic module for a vehicle, comprising:

a plate formed from a metal material, the plate defining a support element that includes;

a first side;

a second side opposite the first side; and

at least one opening through the support element from the first side to the second side;

a component support printed circuit board element affixed to the first side of the support element;

a printed circuit board element affixed to the second side of the support element, such that the support element is between the component support printed circuit board element and the printed circuit board element, the printed circuit board element being at least one of a printed circuit board having an epoxy resin and a flexible printed circuit board;

a covering element affixed to the first side of the support element so as to encapsulate the component support printed circuit board and the at least one opening in an interior region between the covering element and the support element; and

at least one contact-making element that is conductively connected to the printed circuit board element on the second side of the support element, that passes through the at least one opening and into the interior region, and that is conductively connected to the component support printed circuit board element to provide conductive contact between the component support printed circuit board element and the printed circuit board element;

wherein the support element has at least one cutout with a sealing element between at least one of;

the support element and the covering element; and

the support element and the printed circuit board element.

2. The electronic module as claimed in claim 1, wherein the electronic module is hermetically sealed.

3. The electronic module as claimed in claim 1, wherein a material of the covering element and a material of the support element have a similar coefficient of thermal expansion.

4. The electronic module as claimed in claim 1, wherein at least one of:

the covering element and the support element are connected by a connection from amongst the group consisting of an adhesive connection, a welded connection, an encapsulated connection, and a rivet connection; and

the printed circuit board element and the support element are connected using an adhesive bond.

5. The electronic module as claimed in claim 1, wherein the support element has a further opening outside the covering element that is configured to connect a conductor element or a sensor element to the printed circuit board element.

6. The electronic module as claimed in claim 1, wherein the support element and the printed circuit board element each have a respective closable hole in a region inside the covering element.

7. The electronic module as claimed in claim 1, wherein a molded encapsulation is disposed on the support element in a region outside the covering element.

8. A control unit for a vehicle, comprising:

an electronic module that includes;

a plate formed from a metal material, the plate defining a support element that has;

a first side;

a second side opposite the first side; and

at least one opening through the support element from the first side to the second side;

a component support printed circuit board element affixed to the first side of the support element;

a printed circuit board element affixed to the second side of the support element, such that the support element is between the component support printed circuit board element and the printed circuit board element, the printed circuit board element being at least one of a printed circuit board having an epoxy resin and a flexible printed circuit board;

a covering element affixed to the first side of the support element so as to encapsulate the component support printed circuit board and the at least one opening in an interior region between the covering element and the support element; and

at least one contact-making element that is conductively connected to the printed circuit board element on the second side of the support element, that passes through the at least one opening and into the interior region, and that is conductively connected to the component support printed circuit board element to provide conductive contact between the component support printed circuit board element and the printed circuit board element;

wherein the support element and the printed circuit board element each have a respective closable hole in a region inside the covering element.

9. A vehicle, having at least one of:

(i) an electronic module that includes;

a plate formed from a metal material, the plate defining a support element that has;

a first side;

a second side opposite the first side; and

at least one opening through the support element from the first side to the second side;

a component support printed circuit board element affixed to the first side of the support element;

a printed circuit board element affixed to the second side of the support element, such that the support element is between the component support printed circuit board element and the printed circuit board element, the printed circuit board element being at least one of a printed circuit board having an epoxy resin and a flexible printed circuit board;

a covering element affixed to the first side of the support element so as to encapsulate the component support printed circuit board and the at least one opening in an interior region between the covering element and the support element; and

at least one contact-making element that is conductively connected to the printed circuit board element on the second side of the support element, that passes through the at least one opening and into the interior region, and that is conductively connected to the component support printed circuit board element to provide conductive contact between the component support printed circuit board element and the printed circuit board element;

wherein the support element and the printed circuit board element each have a respective closable hole in a region inside the covering element; and

(ii) a control unit that includes the electronic module.

10. An electronic module for a vehicle, having:

a covering element;

a component support printed circuit board element;

a support element having a first side and a second side;

a printed circuit board element; and

at least one contact-making element configured to provide conductive contact between the component support printed circuit board element and the printed circuit board element;

wherein the covering element and the component support printed circuit board element are positioned on the first side of the support element;

wherein the printed circuit board element is positioned on the second side of the support element;

wherein the support element has at least one opening;

wherein the contact-making element is routed through the opening; and

wherein the support element and the printed circuit board element each have a respective closable hole in a region inside the covering element.

11. The electronic module as claimed in claim 10, wherein the electronic module is hermetically sealed.

12. The electronic module as claimed in claim 10, wherein a material of the covering element and a material of the support element have a similar coefficient of thermal expansion.

13. The electronic module as claimed in claim 10, wherein at least one of:

the covering element and the support element are connected by a connection from amongst the group consisting of an adhesive connection, a welded connection, an encapsulated connection, and a rivet connection; and

the printed circuit board element and the support element are connected using an adhesive bond.

14. The electronic module as claimed in claim 10, wherein the support element has a further opening outside the covering element that is configured to connect a conductor element or a sensor element to the printed circuit board element.

15. The electronic module as claimed in claim 10, wherein the support element has at least one cutout with a sealing element between at least one of:

the support element and the covering element; and

the support element and the printed circuit board element.

16. The electronic module as claimed in claim 10, wherein a molded encapsulation is disposed on the support element in a region outside the covering element.

17. An electronic module for a vehicle, comprising:

a plate formed from a metal material, the plate defining a support element that includes;

a first side;

a second side opposite the first side; and

at least one opening through the support element from the first side to the second side;

a component support printed circuit board element affixed to the first side of the support element;

a printed circuit board element affixed to the second side of the support element, such that the support element is between the component support printed circuit board element and the printed circuit board element, the printed circuit board element being at least one of a printed circuit board having an epoxy resin and a flexible printed circuit board;

a covering element formed from a further metal material, and directly welded to the metal material on the first side of the support element so as to encapsulate the component support printed circuit board and the at least one opening in an interior region between the covering element and the support element; and

at least one contact-making element that is conductively connected to the printed circuit board element on the second side of the support element, that passes through the at least one opening and into the interior region, and that is conductively connected to the component support printed circuit board element to provide conductive contact between the component support printed circuit board element and the printed circuit board element.