Method and system for adjusting a curvature of a load plate based on a target load

Abstract

A method of making a load plate for an attach hardware assembly of a circuit assembly includes adjusting a curvature of the load plate based on a target load to be applied by the attach hardware.

What is claimed is:  
     
         1 . A method of making a load plate for an attach hardware assembly of a circuit assembly, said method comprising adjusting a curvature of said load plate based on a target load to be applied by said attach hardware.  
     
     
         2 . The method of  claim 1 , wherein adjusting said curvature of said load plate based on said target load, further comprises adjusting said curvature based on a material thickness and material composition of a material from which said load plate is being made.  
     
     
         3 . The method of  claim 2 , further comprising using stainless steel as said material.  
     
     
         4 . The method of  claim 1 , further comprising, for each new material lot being used to make load plates, performing a test run of load plate production.  
     
     
         5 . The method of  claim 4 , further comprising: 
 measuring a starting height of at least one load plate of said test run as a measure of curvature; and    tracking changes to said starting height through fabrication of said at least one load plate.    
     
     
         6 . The method of  claim 5 , wherein said fabrication comprises heat-treating the load plate.  
     
     
         7 . The method of  claim 5 , further comprising adjusting an original starting height for production of load plates based on said changes tracked in said test run and said target load.  
     
     
         8 . The method of  claim 7 , further comprising initiating a,full production run of load plates to use up said material lot.  
     
     
         9 . A method of making a circuit assembly, said method comprising: 
 making an electrical connection between a circuit to a circuit board;    determining a target value for a load to be applied with an attach hardware assembly to secure the connection between said circuit and circuit board;    adjusting a curvature of a load plate of said attach hardware assembly based on a target load to be applied by said attach hardware.    
     
     
         10 . The method of  claim 9 , wherein adjusting said curvature of said load plate based on said target load, further comprises adjusting said curvature based on a material thickness and material composition of a material from which said load plate is being made.  
     
     
         11 . The method of  claim 10 , further comprising using stainless steel as said material.  
     
     
         12 . The method of  claim 9 , further comprising applying a load with said attach hardware assembly to secure the connection between said circuit and said circuit board.  
     
     
         13 . The method of  claim 9 , wherein said making an electrical connection comprises connecting an Application Specific Integrated Circuit in a socket of a circuit board.  
     
     
         14 . The method of  claim 9 , further comprising, for each new material lot being used to make load plates, performing a test run of load plate production.  
     
     
         15 . The method of  claim 14 , further comprising: 
 measuring a starting height of at least one load plate of said test run as a measure of curvature; and    tracking changes to said starting height through fabrication of said at least one load plate.    
     
     
         16 . The method of  claim 15 , further comprising adjusting an original starting height for production of load plates based on said changes tracked in said test run and said target load.  
     
     
         17 . The method of  claim 16 , further comprising initiating a full production run of load plates to use up said material lot.  
     
     
         18 . A system for making a load plate for an attach hardware assembly of a circuit assembly, said system comprising: 
 means for sizing and shaping a load plate; and    means for adjusting a curvature of said load plate as formed by said means for sizing and shaping said load plate, wherein said curvature is adjusted based on a target load to be applied by said attach hardware.    
     
     
         19 . The system of  claim 18 , wherein adjusting said curvature of said load plate based on said target load, further comprises adjusting said curvature based on a material thickness and material composition of a material from which said load plate is being made.  
     
     
         20 . The system of  claim 18 , wherein said load plate is formed comprising stainless steel.  
     
     
         21 . The system of  claim 18 , further comprising: 
 means for measuring a starting height of at least one load plate of a test run; and    means for racking changes to said starting height through fabrication of said at least one load plate.    
     
     
         22 . The system of  claim 21 , wherein said fabrication comprises heat-treating the load plate.  
     
     
         23 . The system of  claim 22 , further comprising means for adjusting an original starting height for production of load plates based on said changes tracked in said test run and said target load.