Techniques for providing EMI shielding within a circuit board component

A circuit board module, comprising:

• a circuit board having a component mounting location;
• a circuit board component mounted to the component mounting location of the circuit board, the circuit board component including:
• a heat spreader configured to dissipate heat from the circuit board component,
• a substrate having non-conductive material and conductive material supported by the non-conductive material, the conductive material defining (i) a circuit board interface, (ii) a die interface, (iii) heat spreader connecting means for physically and electrically connecting to the heat spreader, and (iv) a set of connections which interconnects the circuit board interface, the die interface and the heat spreader connecting means, wherein the heat spreader and the heat spreader connecting means form an electromagnetic interference shield when a portion of the circuit board interface connects to a ground reference of the circuit board through the circuit board interface, and
• a die coupled to the die interface defined by the conductive material of the substrate, the die including integrated circuitry which is configured to electrically communicate with the circuit board when the circuit board couples to the circuit board interface defined by the conductive material of the substrate;
• and
• a heat sink in thermal communication with the heat spreader of the circuit board component;
• wherein the die is disposed between the heat spreader and the substrate, and
• wherein the circuit board component is an Application Specific Integrated Circuit device, and
• wherein the heat spreader comprises:
• a primary portion extending along a flat surface of the substrate in a substantially parallel manner relative to the flat surface of the substrate;
• a secondary portion extending from the primary portion toward the substrate along a direction substantially perpendicular to the flat surface of the substrate, the secondary Portion electrically contacting a conductive ground plane disposed along a flat surface of the substrate;
• and
• a conductive ground edge extending from the secondary portion along a direction substantially perpendicular to the flat surface of the substrate and overhanging an outer periphery of the substrate, the conductive ground edge electrically coupled to a conductive ground edge Portion of the heat spreader connecting means that extends along the outer periphery of the substrate.

A circuit board component, comprising:

• a heat spreader configured to dissipate heat from the circuit board component;
• a substrate having non-conductive material and conductive material supported by the non-conductive material, the conductive material defining (i) a circuit board interface, (ii) a die interface, (iii) heat spreader connecting means for physically and electrically connecting to the heat spreader, and (iv) a set of connections which interconnects the circuit board interface, the die interface and the heat spreader connecting means, wherein the heat spreader and the heat spreader connecting means form an electromagnetic interference shield when a portion of the circuit board interface connects to a ground reference of a circuit board through the circuit board interface;
• and
• a die coupled to the die interface defined by the conductive material of the substrate, the die including integrated circuitry which is configured to electrically communicate with the circuit board when the circuit board couples to the circuit board interface defined by the conductive material of the substrate;
• wherein the die is disposed between the heat spreader and the substrate, and
• wherein the circuit board component is an Application Specific Integrated Circuit device, and
• wherein the heat spreader comprises:
• a primary portion extending along a flat surface of the substrate in a substantially parallel manner relative to the flat surface of the substrate;
• a secondary portion extending from the primary portion toward the substrate along a direction substantially perpendicular to the flat surface of the substrate, the secondary Portion electrically contacting a conductive ground plane disposed along a flat surface of the substrate;
• and
• a conductive ground edge extending from the secondary portion along a direction substantially perpendicular to the flat surface of the substrate and overhanging an outer periphery of the substrate, the conductive around edge electrically coupled to a conductive ground edge portion of the heat spreader connecting means that extends along the outer periphery of the substrate.

A circuit board module, comprising:

• a circuit board having a component mounting location;
• a circuit board component mounted to the component mounting location of the circuit board, the circuit board component including:
• a substrate having non-conductive material and conductive material supported by the non-conductive material, the conductive material defining (i) a circuit board interface, (ii) a die interface, (iii) a heat spreader interface, and (iv) a set of connections which interconnects the circuit board interface, the die interface and the heat spreader interface,
• a die coupled to the die interface defined by the conductive material of the substrate, the die including integrated circuitry which is configured to electrically communicate with the circuit board when the circuit board couples to the circuit board interface defined by the conductive material of the substrate, and
• a heat spreader coupled to the heat spreader interface defined by the conductive material of the substrate, the heat spreader being configured to dissipate heat from the die, the heat spreader in combination with the heat spreader interface forming an electromagnetic interference shield when a portion of the circuit board interface connects to a ground reference of the circuit board through the circuit board interface;
• and
• a heat sink in thermal communication with the heat spreader of the circuit board component;
• wherein the die is disposed between the heat spreader and the substrate, and
• wherein the circuit board component is an Application Specific Integrated Circuit device, and
• wherein the heat spreader comprises:
• a primary portion extending along a flat surface of the substrate in a substantially parallel manner relative to the flat surface of the substrate;
• a secondary portion extending from the primary portion toward the substrate along a direction substantially perpendicular to the flat surface of the substrate, the secondary Portion electrically contacting a conductive around plane disposed along a flat surface of the substrate;
• and
• a conductive around edge extending from the secondary portion along a direction substantially perpendicular to the flat surface of the substrate and overhanging an outer periphery of the substrate, the conductive ground edge electrically coupled to a conductive ground edge portion of the heat spreader interface that extends along the outer periphery of the substrate.

A circuit board module, comprising:

• a circuit board having a component mounting location;
• a circuit board component mounted to the component mounting location of the circuit board, the circuit board component including:
• a substrate having non-conductive material and conductive material supported by the non-conductive material, the conductive material defining (i) a circuit board interface, (ii) a die interface, (iii) a heat spreader interface, and (iv) a set of connections which interconnects the circuit board interface, the die interface and the heat spreader interface,
• a die coupled to the die interface defined by the conductive material of the substrate, the die including integrated circuitry which is configured to electrically communicate with the circuit board when the circuit board couples to the circuit board interface defined by the conductive material of the substrate, and
• a heat spreader coupled to the heat spreader interface defined by the conductive material of the substrate, the heat spreader being configured to dissipate heat from the die, the heat spreader in combination with the heat spreader interface forming an electromagnetic interference shield when a portion of the circuit board interface connects to a ground reference of the circuit board through the circuit board interface;
• and
• a heat sink in thermal communication with the heat spreader of the circuit board component;
• wherein the die is disposed between the heat spreader and the substrate, and
• wherein the circuit board component is an Application Specific Integrated Circuit device,
• wherein the heat spreader interface defined by the conductive material of the substrate of the circuit board component includes:
• conductive ground plates disposed along a flat surface of the substrate, the conductive ground plates encircling the die interface in a 360 degree manner to minimize escape of electromagnetic interference from the die during operation of the integrated circuitry,
• wherein the heat spreader comprises:
• a primary portion extending along the flat surface of the substrate in a substantially parallel manner relative to the flat surface of the substrate;
• and
• a secondary portion extending from the primary portion toward the substrate along a direction substantially perpendicular to the flat surface of the substrate, the secondary portion electrically contacting a conductive ground plane disposed along a flat surface of the substrate, and further comprising:
• a conductive ground edge extending from the secondary portion along a direction substantially perpendicular to the flat surface of the substrate and overhanging an outer periphery of the substrate, the conductive ground edge electrically coupled to a conductive ground edge portion of the heat spreader interface that extends along the outer periphery of the substrate.