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IBM phat hien cach lam mat chip moi |
 Cac nha khoa hoc thuoc phong thi nghiem nghien cuu Zurich cua tap doan may tinh IBM vua phat hien cong nghe dung keo moi trong qua trinh san xuat chip co the lam mat thiet bi nay hieu qua hon.
Keo von duoc dung de gan ket bong ban dan cua cac thiet bi nhu vi xu ly hay chipset voi nhung thanh to lam mat giup tan nhiet cho chip. Tuy nhien, voi nhung loai keo dang duoc su dung pho bien hien nay, vi co nhung them cac hat kim loai hay gom sieu nho de dan dien nen van gay nhieu kho khan hon cho qua trinh “ha hoa” thiet bi.
Cac nha nghien cuu cua phong thi nghiem Zurich da tim ra nguyen nhan cua tro ngai nay, do chinh la cach thuc su dung loai keo dan trong san xuat chip. Qua quan sat ho phat hien, khi chip gan voi thiet bi lam mat cua bong ban dan, cac hat sieu nho chua trong keo dan bi don lai tao thanh hinh chu thap, dieu nay dan toi he qua keo dan khong the trai deu tren be mat chip. Do vay, de giai quyet tinh trang, ho tao them nhieu ranh nho duoi day bo tan nhiet, giup keo dan ra nhu mong muon.
Ket qua la, voi lop keo dan mong hon, hieu qua tan nhiet cho chip da tang gap 3 lan. IBM dang trien khai dua cac ranh kieu nay vao san xuat chip nhung khong noi khi nao se bat dau ap dung ky thuat ung dung keo moi phat hien.
(- Theo Vietnamnet)
Article source http://w4rum.com/928.t
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| [By Kimber Fulcher] [03/Mar/07] |
