Electrical connections made with dissimilar metals

An electrical connection system, comprising:

• first and second electrical components;
• and
• an electrical connection between the first and second electrical components, the electrical connection including a functionally graded material,
• wherein an electrical contact of the first electrical component includes a first material, an electrical contact of the second electrical component includes a second material different from the first material, and the electrical connection being made between the electrical contacts of the first and second electrical components.

An electrical connection system, comprising:

• first and second electrical components;
• and
• an electrical connection which transmits electrical current between the first and second electrical components, the electrical connection including a functionally graded material, and
• wherein at least one of the first and second electrical components is selected from a group including a contact pin, an integrated circuit die, an electrical wire, a discrete electrical component, and an electrical trace attached to a substrate.

An electrical connection system, comprising:

• first and second electrical components;
• and
• an electrical connection which transmits electrical current between the first and second electrical components, the electrical connection including a functionally graded material, and
• wherein the functionally graded material is included in at least one of a group including an electrical wire, a contact pin, and an electrical trace attached to a substrate.

An electrical connection system, comprising:

• first and second electrical components;
• and
• an electrical connection between the first and second electrical components, the electrical connection including a functionally graded material,
• wherein the first electrical component is a wire, the second electrical component is an electrical contact, and the functionally graded material is connected directly to each of the wire and the contact.

An electrical connection system, comprising:

• a first electrical component including a first material;
• a second electrical component including a second material which is dissimilar to the first material;
• and
• a functionally graded material electrically connected between the first and second electrical components, the functionally graded material providing a gradual transition between at least the first and second materials.

An electrical device, comprising:

• a first electrical component including a first material;
• a second electrical component including a second material which is dissimilar to the first material;
• and
• a functionally graded material electrically connected between the first and second electrical components, the functionally graded material providing a gradual transition between at least the first and second materials.

An electrical package, comprising:

• a first electrical component including a first material;
• a second electrical component including a second material which is dissimilar to the first material;
• and
• a functionally graded material electrically connected between the first and second electrical components, the functionally graded material providing a gradual transition between at least the first and second materials.

A downhole well tool, comprising:

• an electrical component;
• and
• a functionally graded material electrically connected to the electrical component, the functionally graded material providing a gradual transition between at least first and second dissimilar materials, and
• wherein the functionally graded material further provides a gradual transition between the second material and a third material which is dissimilar to the second material.

An assembly for use in a hostile environment, the assembly comprising:

• a first electrical component including a first material;
• a second electrical component including a second material which is dissimilar to the first material;
• and
• a functionally graded material electrically connected between the first and second electrical components, the functionally graded material providing a gradual transition between at least the first and second materials.