Feedthru including a ceramic based coating and a method of applying a ceramic based coating to a feedthru

Patent metadata

Field	Value
Publication number	US-9024210-B2
Application number	US-93435209-A
Country	US
Kind code	B2
Filing date	Mar 25, 2009
Priority date	Apr 4, 2008
Publication date	May 5, 2015
Grant date	May 5, 2015

Abstract

The present invention relates to a feedthru ( 210, 210 ′) provided with a ceramic based coating ( 260 ) and a method of providing a feedthru ( 210, 210 ′) with a ceramic based coating ( 260 ). The feedthru ( 210, 210 ′) includes at least one conductive pin ( 220 ) that extends through a header ( 217 ) and includes an exposed first end ( 221 ) and an exposed second end ( 222 ) spaced by an insulated portion ( 224 ). The at least one conductive pin ( 220 ) connects a first conductive element ( 121 ) connected with a first electrical device ( 300, 300 a , 300 b , 104, 105, 105 ′) and a second conductive element ( 121 ′) connected with another electrical device ( 20, 301 ), whereby the exposed first end ( 221 ) connects to the first conductive element ( 121 ) and the exposed second end ( 221 ) connects to the second conductive element ( 121 ′). The ceramic based coating ( 260 ) located on at least one of the following at least a portion of the first end ( 221 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the at least one conductive pin ( 220 ), at least a portion of the second end ( 222 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), at least a portion of a first side ( 217 a ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), and at least a portion of a second side ( 217 b ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ).

First claim

We claim:

1. At least one feedthru ( 210 , 210 ′), comprising:
at least one conductive pin ( 220 ) that extends through a header ( 217 ) wherein:
the at least one conductive pin ( 220 ) includes an exposed first end ( 221 ) and an exposed second end ( 222 ) spaced by an insulated portion ( 224 );
the at least one conductive pin ( 220 ) connects a first conductive element ( 121 ) connected with a first electrical device ( 300 , 300 a , 300 b , 104 , 105 , 105 ′) and a second conductive element ( 121 ′) connected with another electrical device ( 20 , 301 ), whereby the exposed first end ( 221 ) connects to the first conductive element ( 121 ) and the exposed second end ( 221 ) connects to the second conductive element ( 121 ′);

a ceramic based conformational film coating ( 260 ) located on at least one of the following:
at least a portion of the second end ( 222 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ) and at least a portion of the second side ( 217 b ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), wherein the second end ( 222 ) of the at least one conductive pin ( 220 ) extends from the second side ( 217 b ) of the header ( 217 ); and
at least a portion of the first end ( 221 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ) and at least a portion of a first side ( 217 a ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), wherein the first end ( 221 ) of the at least one conductive pin ( 220 ) extends from the first side ( 217 a ) of the header ( 217 ).

2. The at least one feedthru ( 210 , 210 ′) according to claim 1 , wherein the ceramic based coating ( 260 ) is located on at least the portion of the first end ( 221 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), at least the portion of a first side ( 217 a ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), at least the portion of the second end ( 222 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), and at least the portion of the second side ( 217 b ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ), wherein the first end ( 221 ) of the at least one conductive pin ( 220 ) extends from the first side 217 (a) of the header ( 217 ) and the second end ( 222 ) of the at least one conductive pin ( 220 ) extends from the second side ( 217 b ) of the header ( 217 ).

3. The at least one feedthru ( 210 , 210 ′) according to claim 1 , wherein the exposed first end ( 221 ) of the at least one conductive pin ( 220 ) is connected with the first conductive element ( 121 ) via a first connection joint ( 215 ) and the exposed second end ( 222 ) of the at least one conductive pin ( 220 ) is connected with the second conductive element ( 121 ′) via a second connection joint ( 215 ) and the ceramic based coating ( 260 ) is located on at least one of the first and second connection joints ( 215 , 215 ′).

4. The at least one feedthru ( 210 , 210 ′) according to claim 1 , wherein the first conductive element ( 121 ) includes a first exposed portion ( 122 ) and a first insulated portion ( 123 ) and the second conductive element ( 121 ′) includes a second exposed portion ( 121 ′) and a second insulated portion ( 123 ′) and the ceramic based coating ( 260 ) is located on at least one of the first and second exposed portions ( 122 , 122 ′).

5. The at least one feedthru ( 210 , 210 ′) according to claim 1 , wherein:
the first conductive element ( 121 ) includes a first exposed portion ( 122 ) and a first insulated portion ( 123 );
the second conductive element ( 121 ′) includes a second exposed portion ( 121 ′) and a second insulated portion ( 123 ′);
the exposed first end ( 221 ) of the at least one conductive pin ( 220 ) is connected with the first exposed portion ( 122 ) of the first conductive element ( 121 ) via a first connection joint ( 215 );
the exposed second end ( 222 ) of the at least one conductive pin ( 220 ) is connected with the second exposed portion ( 122 ′) of the second conductive element ( 121 ′) via a second connection joint ( 215 );
the ceramic based coating ( 260 ) extends from at least one or both of the following:
the first end ( 221 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ) to the first insulating portion ( 123 ) of the first conductive element ( 121 ); and
the second end ( 222 ) of the at least one conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of the pin ( 220 ) to the second insulating portion ( 123 ) of the second conductive element ( 121 ′).

6. The at least one feed thru ( 210 , 210 ′) according to claim 1 , wherein the feedthru ( 210 , 210 ′) includes a plurality of pins ( 220 ) that extend through the header ( 217 ) and connect the first electrical device ( 300 , 300 a , 300 b , 104 , 105 , 105 ′) with the another electrical device ( 20 , 301 ) and the ceramic based coating ( 260 ) is located on at least one of the following:
at least the portion of the first end ( 221 ) of each conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of each of the conductive pin ( 220 );
at least the portion of the second end ( 222 ) of each conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of each conductive pin ( 220 );
at least the portion of a first side ( 217 a ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of each conductive pin ( 220 ); and
at least the portion of a second side ( 217 b ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of each conductive pin ( 220 ).

7. The at least one feed thru ( 210 , 210 ′) according to claim 1 , wherein the feedthru ( 210 , 210 ′) includes a plurality of pins ( 220 ) that extend through the header ( 217 ) and connect a first electrical device ( 300 , 300 a , 300 b , 104 , 105 , 105 ′) and a second electrical device ( 300 , 300 a , 300 b , 104 , 105 , 105 ′) with the another electrical device ( 20 , 301 ) and the ceramic based coating ( 260 ) is located on at least one of the following:
at least the portion of the first end ( 221 ) of each conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of each of the conductive pin ( 220 );
at least the portion of the second end ( 222 ) of each conductive pin ( 220 ) that abuts the insulated portion ( 224 ) of each conductive pin ( 220 );
at least the portion of a first side ( 217 a ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of each conductive pin ( 220 ); and
at least the portion of a second side ( 217 b ) of the header ( 217 ) that abuts the insulated portion ( 224 ) of each conductive pin ( 220 ).

8. The at least one feed thru ( 210 , 210 ′) according to claim 1 , wherein the first electrical device includes a drive ( 104 ) of a vibrating flow device ( 5 ) and the another electrical device includes one or more electronics ( 20 ) of the vibrating flow device ( 5 ).

9. The at least one feed thru ( 210 , 210 ′) according to claim 1 , wherein the first electrical device includes a pick-off ( 105 , 105 ′) of a vibrating flow device ( 5 ) and the another electrical device includes one or more electronics ( 20 ) of the vibrating flow device ( 5 ).

10. A method for connecting a first electrical device ( 300 , 300 a , 300 b , 104 , 105 , 105 ′) to another electrical device ( 20 , 301 ), comprising the steps of:
providing a feedthru ( 210 , 210 ′) that includes at least

Assignees

• Crisfield Matthew T
• Moore Michele
• Garnett Robert B
• Micro Motion Inc

Inventors

• Crisfield Matthew T
• Moore Michele
• Garnett Robert B

Classifications

• H01R13/533 Primary

  Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure (H01R13/52 takes precedence) · CPC title

• Y10T29/49174

  Assembling terminal to elongated conductor · CPC title

• H01R4/023

  between cables or wires and terminals · CPC title

• H01R13/74

  Means for mounting coupling parts in openings of a panel · CPC title