# Bonding Integration Evidence Model Card

Experiment: SA-PKG-BOND-037  
Version: 2026-08-30-bonding-integration-v1

## Purpose

Provide a deterministic teaching surface for comparing categorical evidence postures across bonding family, alignment, surface and interface state, force-temperature state, void and warpage, and electrical and reliability evidence.

## Mechanism Boundary

The packet separates evidence families; it does not simulate fusion bonding, hybrid bonding, thermo-compression bonding, temporary bonding, debonding, metrology equipment, reliability stress, thinning, or dicing. The bond-family axis distinguishes four teaching categories. Other axes encode categorical evidence postures only.

Ordered bond state is not time, process sequence, wafer position, die number, tool history, or bond cycle. Evidence posture changes ownership metadata only.

## Equations

Twenty normalized proxies are original dimensionless SemiAgora equations. Sixteen integer equations form three exact bookkeeping ledgers: alignment and surface, force and temperature, and bonding-quality handoff. Ledger tokens are not physical counts, measurements, tolerances, capacities, or acceptance margins.

## Regimes

- bonding-family-context-limited
- alignment-limited
- surface-interface-limited
- force-temperature-limited
- void-warpage-limited
- electrical-reliability-evidence-limited
- traceability-model-limit-limited
- bounded-bonding-integration-review

All labels are naturally reachable. There are no reachability amendments.

## Role Views

- bonding integration engineer
- surface and interface engineer
- bonding equipment engineer
- packaging reliability engineer

Role outputs are review labels only. They do not authorize recipes, equipment action, qualification, release, hold, or production disposition.

## Bridges

Five upstream packets contribute only enumerated categorical fields: substrate/wafering, CMP, clean surface, inspection/metrology, and cluster tool. The downstream bridge to SA-PKG-THIN-DICE-038 exposes eight categorical readiness, priority, evidence, and handoff fields. Physical units and automatic actions are prohibited.

## Validation Boundary

Passing proves the exact 6,912-row Cartesian order, 3,456 evidence pairs, independent replay of all 20 proxies and all 16 ledger equations, complete regime and label reachability, numeric-zero closure of 112 prohibited fields, CSV/JSON identity, two-run repeatability, and source-boundary hygiene.

It does not prove bond-family applicability, alignment capability, surface quality, process performance, void level, warpage, electrical resistance, bond strength, thermal behavior, reliability, metrology capability, acceptance, qualification, disposition, or production fitness.

## Required Replacement

Before operational use, replace every teaching assumption with accountable, revisioned, timestamped evidence for materials and stack identity; wafer, die, carrier, lot, and genealogy; alignment and registration; surface preparation and activation; force-temperature and ambient history; bonded-stack geometry; void and defect maps; electrical, thermal, mechanical, and reliability tests; metrology calibration and uncertainty; qualification; release or hold; change control; escalation; and disposition.