山海在封裝設(shè)計(jì)階段通過(guò)對(duì)BOM (bill of material) 的甄選,在確??煽啃缘那疤嵯?,向客戶(hù)提供更加友好的產(chǎn)線時(shí)間(floor life)。對(duì)于貨架時(shí)間,即真空包裝的能力,山海產(chǎn)品包裝可支撐兩年的貨架時(shí)間,此舉向客戶(hù)提供了更加靈活的采購(gòu)和生產(chǎn)計(jì)劃安排。
客戶(hù)產(chǎn)線時(shí)間即真空包裝開(kāi)封后且進(jìn)行回流焊之前能夠在客戶(hù)產(chǎn)線上放置的時(shí)長(zhǎng),參考JEDEC-033D標(biāo)準(zhǔn),根據(jù)不同濕敏等級(jí)(MSL)對(duì)應(yīng)產(chǎn)線時(shí)間(Floor Life)。
| MSL | Floor Life Time |
| MSL 1 | Floor Life ( out of bag ) is Unlimited |
| Other MSLs | Floor Life ( out of bag ) at factory ambient s 30°C/60% RH |
| 2 | 1 year |
| 2a | 4 weeks |
| 3 | 168 hours |
| 4 | 72 hours |
| 5 | 48 hours |
| 5a | 24 hours |
| 6 | Mandatory bake before use, After baked, must be reflowed within the time limitspecified on the label. |