Text this: Solid state interfacial reaction of Sn–37Pb and Sn–3.5Ag solders with Ni–P under bump metallization

  _  _    __   __   _____     __   __    ______  
 | \| ||  \ \\/ // |  __ \\   \ \\/ //  /_____// 
 |  ' ||   \ ` //  | |  \ ||   \ ` //   `____ `  
 | .  ||    | ||   | |__/ ||    | ||    /___//   
 |_|\_||    |_||   |_____//     |_||    `__ `    
 `-` -`     `-`'    -----`      `-`'    /_//     
                                        `-`