VR2R-0336
① SA Source
- Source: 開啟完整 SA 文章
- Section:
PCB Materials Upgrade and Area Growth - Line hint:
296
Context Before
The classification of CCL materials is determined by its dielectric constant (Dk) and dissipation factor (Df) at a given frequency.
Evidence
Insertion loss is lower at lower Dk and Df value.
Context After
The common classification is anchored to the Megtron series from Panasonic as they have been setting the industry standard. When people describe the CCL as M7 classification it usually means it matches the same Dk and Df specifications as Megtron 7 of Panasonic.
② Atomic Claim
Dk 與 Df 越低，insertion loss 也越低。
- Epistemic Mode:
ASSERTED - Mapping Status:
PARTIAL
③ Semantic Frame
{
"frame_type": "CLAIM_ONLY",
"qualifiers": {
"condition_text": null,
"numeric_mentions": [],
"temporal_mentions": []
},
"reason": "DK_DF_AND_INSERTION_LOSS_NOT_CANONICALIZED_IN_SOURCE_CLAIM",
"statement": "lower Dk and Df values correspond to lower insertion loss."
}④ Canonical Entity Mapping
| Role | Surface Label | Canonical Target |
|---|---|---|
| — | — | — |
⑤ Human Review
請在 Properties 逐項確認：
- 原文 → Atomic Claim 是否忠實
- Atomic Claim → Semantic Frame 是否忠實
- Canonical Entity mapping 是否正確
- Epistemic mode 是否保留原文語氣
- 最後選擇
review_action
Review state
Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。